2014 AAHA Weight Management Guidelines for Dogs and Cats

2014 AAHA Weight Management Guidelines for Dogs and Cats

IMPLEMENTATION

TOOLKIT

Inside This Toolkit Why Guidelines Matter.....................................................................................3 Understand the Guidelines’ Key Points.............................................................4 2014 AAHA Weight Management Guidelines for Dogs and Cats ...................5 Tip Sheet: Calculating a Pet’s Caloric Intake for Weight Management .........15 AAHA’s Model Protocol for Weight Management..........................................16 AAHA’s Weight Management Algorithm.......................................................17 Use Checklists to Ensure Consistency.............................................................18 Clarify Staff Roles and Responsibilities...........................................................20 Client Handouts..............................................................................................21 Talking Points for Partnering with Clients......................................................22 Resources from AAHA and the PNA...............................................................23

AAHA Standards of Accreditation The AAHA Standards include standards that address weight management. For information on how accreditation can help your practice provide the best care possible to your patients, visit aahanet.org/accreditation or call 800-252-2242.

Free web conference available now! Be sure to check out the 2014 Weight Management Guidelines for Dogs and Cats implementation web conference with Dr. Ernie Ward, DVM, available at aahanet.org/webconf. Earn 1 hour of CE credit.

Why Guidelines Matter Veterinary practice guidelines, including the 2014 AAHA Weight Management Guidelines for Dogs and Cats, help ensure that pets get the best possible care. From medical director to veterinary assistant, guidelines keep your hospital staff on the cutting edge of veterinary medicine. The 2014 AAHA Weight Management Guidelines for Dogs and Cats is the most complete and medically sound compilation of updates, insights, advice and recommendations ever developed. Those guidelines help ensure all pets enjoy the benefits of assessment and management to maintain a healthy weight throughout their lifetimes. AAHA guidelines review the latest information to help veterinary staff address central issues and perform essential tasks to improve the health of the pet. In addition, AAHA guidelines define the role of each staff member so that everyone on the health care team can work together to offer the best-quality medical care. Guidelines are just that: a guide established by experts in a particular area of veterinary medicine. Guidelines do not outweigh the veterinarian’s clinical judgment; instead, AAHA guidelines help veterinarians develop and carry out treatment plans that meet each patient’s individual needs and circumstances. Aligning your practice’s protocols with AAHA Guideline recommendations is a key step in ensuring that your practice continues to delivery best-quality care. To support your dedicated efforts, AAHA is pleased to offer this toolkit. In here, you will find facts, figures, highlights, tips, client handouts and other tools you can use every day to implement the recommendations of the 2014 AAHA Weight Management Guidelines for Dogs and Cats. In addition, AAHA and other organizations have committed to providing a full suite of implementation tools, fact sheets and more information through the Pet Nutrition Alliance (PNA, available at petnutritionalliance.org/default.aspx). Page 23 of this toolkit highlights just a few of the many resources you can find on the PNA website. AAHA and other organizations are continually updating the website, so check back often for new tools. Thank you for helping to advance our shared mission to deliver the best in companion animal medical care. Together, we can make a difference!

Michael T. Cavanaugh, DVM, DABVP AAHA Chief Executive Officer When selecting weight management products, as well as other types of products, veterinarians have a choice of products formulated for humans and those developed and approved for veterinary use. Manufacturers of veterinary-specific products spend resources to have their products reviewed and approved by the U.S. Food and Drug Administration for canine and/or feline use. These products are specifically designed and formulated for dogs and cats and have benefits for their use; they are not human generic products. AAHA suggests that veterinary professionals make every effort to use veterinary FDA-approved products and base their inventory purchasing decisions on what product is most beneficial to the patient.

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Summary of Key Points Weight management is an essential component of every pet’s health care plan. Excess weight can reduce longevity and adversely affect quality of life. It is associated with skin and respiratory disorders, renal dysfunction, an increased risk of metabolic and endocrine disorders, orthopedic disease and some types of cancer. The entire veterinary team should be knowledgeable about weight management, prevention of weight gain, weight loss protocols, online information sources and client educational materials. A thorough nutritional assessment is necessary for the practitioner to design a weight loss plan. Use the 2014 AAHA Weight Management Guidelines for Dogs and Cats in conjunction with the 2010 AAHA Nutritional Assessment Guidelines for Dogs and Cats to create your overall approach. An effective individualized weight loss program is achieved with appropriate caloric restriction, diet selection, exercise and strategies to help modify behavior of both the pet and client. The clients’ and pets’ individual circumstances, family and environment will affect the details of the weight management plan. Home management is vital for weight control. Working in partnership with clients to create a plan that will work with their lifestyle and abilities is essential. Keep in mind that what works for one client may not work for another. Record the results of all examinations and ongoing evaluations in the medical record. Maintaining an ideal body weight is a lifelong process that begins at the first veterinary visit, extending for the life of the pet.

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©Nailia Schwarz/Veer

2014 AAHA Weight Management Guidelines for Dogs and Cats*† Dawn Brooks, DVM, Julie Churchill, PhD, DVM, DACVN, Karyn Fein, DVM, CSCS, Deborah Linder, DVM, DACVN, Kathryn E. Michel, MS, DVM, DACVN, Ken Tudor, DVM, Ernie Ward, DVM, Angela Witzel, PhD, DVM, DACVN

Abstract Communicating and implementing a weight management program for dogs and cats can be a challenging endeavor for veterinarians, but a rewarding one. An effective individualized weight loss program provides a consistent and healthy rate of weight loss to reduce risk of disease, prevent malnutrition, and improve quality of life. Weight loss is achieved with appropriate caloric restriction, diet selection, exercise, and strategies to help modify behavior of both the pet and client. This document offers guidelines and tools for the management of weight loss and long-term maintenance of healthy weight. (J Am Anim Hosp Assoc 2014; 50:1–11. DOI 10.5326/JAAHA-MS-6331)

Introduction Up to 59% of dogs and cats are overweight, making this the most common nutritional disorder identified in veterinary practice.1–3,4 Excess weight can reduce longevity and adversely affect quality of life.5–7 The hormones and inflammatory cytokines released by excess adipose tissue lead to a state of chronic inflammation, the impact of which is not completely understood at this time.8,9 Excess weight is associated with skin and respiratory disorders, renal dysfunction, and it increases the risk of metabolic and endocrine disorders (e.g., diabetes), orthopedic disease, and some types of cancer.7,10–19 Weight management, including obesity prevention and treatment, remains a challenge for veterinarians and clients alike. Among clients with dogs defined as “overweight” by the veterinarian, one study showed that 39% of the clients thought that their dogs were at an acceptable weight.20 Those clients are unlikely to be aware of the negative impact excess weight has on their pets’ health. Additionally, some veterinarians struggle to find a tactful and effective way to discuss the impact of obesity and importance of weight loss. The goals of these guidelines for dogs and cats are to raise awareness of the negative health consequences of excess weight, promote the prevention of excess weight, and offer guidelines and tools for the management of weight loss and long-term maintenance of healthy weight. Although “weight management” may also include dogs and cats that are underweight due to lifestyle or medical causes, management of such cases can be complex and is beyond the scope of this document. An effective individualized weight loss program provides a consistent and healthy rate of weight loss to reduce risk of disease,

From the Countryside Veterinary Hospital, Chelmsford, MA (D.B.); College of Veterinary Medicine, University of Minnesota, St. Paul, MN (J.C.); Tender Touch Animal Hospital, Denver, CO (K.F.); Tufts Cummings School of Veterinary Medicine, North Grafton, MA (D.L.); School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA (K.M.); Hearthstone Homemade Program for Dogs, Claremont, CA (K.T.); Seaside Animal Care, Calabash, NC (E.W.); and Veterinary Medical Center, University of Tennessee, Knoxville, TN (A.W.). Correspondence: [email protected] (D.L.)

prevent malnutrition, and improve quality of life. Weight loss is achieved with appropriate caloric restriction, diet selection, exercise, and strategies to help modify the behavior of both the pet and client. The success of any program depends on partnering with clients to set expectations, promote client compliance and treatment adherence (compliance and adherence describe the degree to which the client correctly implements medical advice and continues an agreed-on mode of treatment), and overcome challenges presented by each pet.

Prevention Because of the high prevalence of overweight pets and the health risks associated with excess body fat (BF), prevention efforts used by the entire veterinary team may positively impact pet health. The most appropriate time for weight management and intervention is prior to weight gain and the subsequent development of clinical disease. Maintenance of a healthy weight should begin with the first veterinary visit including recommendations for the following: yy Puppy and kitten feeding yy Evaluating body condition score (BCS) and how to adjust feeding when BCS changes are noted at home, particularly after either spaying or neutering21 yy Maintaining an ideal adult weight yy Maintaining exercise and activity yy Behavior training using interactive rewards as alternatives to food yy Educating clients about the limitations of pet food labels and label feeding recommendations

The authors specifically requested that they not be told the identity of the sponsors until the document was completed. † These guidelines were developed by a panel of experts to help the practicing veterinarian raise awareness of the negative health consequences of excess weight, promote the prevention of excess weight, and offer suggestions and tools for the management of weight loss and long-term maintenance of healthy weight. This document is intended as a guideline only. Evidence-based support for specific recommendations is cited whenever possible and appropriate. These guidelines were sponsored by a generous educational grant from Hill’s Pet Nutrition and Zoetis. *

AAFCO American Association of Feed Control Officials; BCS body condition score; BF body fat; BW body weight; MCS muscle condition score; RER resting energy requirement; OTC over-the-counter

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2014 AAHA Weight Management Guidelines for Dogs and Cats

Monitor weight trends and proactively address weight gain early at any BCS above the ideal. Adverse subclinical consequences such as low-grade chronic inflammation are the most difficult to perceive as a health issue, yet before clinical signs are evident is the most appropriate time for medical intervention. Puppies and kittens must consume food that meets their requirements for growth to ensure adequate intake of critical nutrients, such as protein, calcium, and phosphorus, until they have completed skeletal growth.22 Instruct clients to monitor puppies’ and kittens’ BCS q 2 wk. At the time of either spaying or neutering, there may be an increase in the pet’s appetite but a decrease in its caloric needs.23–25 There should be nutritional assessment at regular intervals postgonadectomy. If the growing pet has a BCS higher than ideal, switch to a lower calorie puppy or kitten food, eliminate other sources of calories, and emphasize exercise and environmental enrichment. Either changing to an adult food or weight-loss food before skeletal maturity is complete is not recommended as that may not meet nutritional requirements for growth. Seasonal changes may affect both activity and appetite.26 Temperature extremes often limit outdoor activities and decrease daily caloric expenditure. Educate clients about diet and feeding management adjustments that are necessary when energy expenditure changes to avoid repeated cycles of weight gain and weight loss. Weight monitoring and prevention of weight gain is particularly important for dogs prone to obesity (e.g., Newfoundlands, dachshunds, cocker spaniels, or any dog with low energy expenditure) and cats housed mostly indoors with minimal activity.4,27–29 Aging also affects metabolic rate and activity level.30–32 Nutritional reassessment at yearly exams will help to identify and address weight gain as pets age. The greatest prevalence of obesity has been identified in dogs and cats between the ages of 5 yr and 12 yr, so that age group may benefit from increased vigilance and perhaps a diet change to a less calorie-dense food.

Begin by assessing the patient, the environment, and obtaining a full diet history as detailed in the AAHA Nutritional Assessment Guidelines fro Dogs and Cats.21 Identify all household and environmental factors that impact feeding management (i.e., current diet, feeding schedule, treats, numbers and perceptions of household members involved with feeding), exercise (current and potential), and the environment (housing, environmental enrichment).21

Evaluate the pet’s current body weight (BW), BCS, and muscle condition score (MCS) as part of the health assessment and for determining healthy weight.21,33 Assessing the MCS along with the BCS will establish a baseline from which you may monitor muscle and fat loss, especially if there is either a comorbid condition (where either the weight loss rate may be lower or the patient is at risk for loss of muscle mass due to the catabolic impact of disease) or the patient is losing weight too rapidly (resulting in loss of muscle mass). Estimating the pet’s ideal weight helps determine the pet’s caloric requirements and establishes a motivating goal. Some ways to estimate a patient’s ideal weight include the following: 1. Historical. Check the medical record for the pet’s weight and BCS history to determine whether it shows a previous ideal weight that correlates to a BCS of 5 out of 9 or 3 out of 5. 2. Calculate the ideal weight from the current BCS if historical weight information is not available. Each BCS  5 (on a 9 point scale) or half of a BCS  3 (on a 5 point scale) is equivalent to being 10% overweight.34–37 For example, a 45 kg Labrador retriever that has a BCS of 8 out of 9 is 30% overweight and its ideal weight is approximately 32 kg (Table 1). 3. Use the percent BF that correlates with the BCS scores to estimate ideal weight using the equation: [current BW  (100  %BF)]/0.8.37 Note that lean mass is 80% of the ideal BW, assuming 20% BF. Although there is not an established criterion in veterinary medicine, for the purpose of this document, the authors define obese as a BCS of  8 out of 9 (or 5 out of 5). Although studies often do not differentiate overweight pets from obese pets, health risks and clinically apparent disease seem greater in severity as weight gain increases. Long-term studies of pets with various BCS categories against controls are needed to verify that clinical impression. All overweight pets suffer from similar, yet less obvious morbidities, and should be treated with as much urgency for weight loss as obese pets.7 It is challenging to accurately determine ideal BW in obese patients that exceed the BCS scale (i.e.,  5 out of 5 or  9 out of 9, correlating to being  40% overweight). There is no proven method for adjusting the calculation for severely obese patients, and the above approach may cause an overestimate of the ideal weight. Reassessing the patient as their BCS improves during weight loss allows refinement and more accurate estimate of the patient’s ideal weight.

Assess the Patient In addition to a complete physical exam, the patient health assessment may include relevant laboratory and imaging studies as appropriate to assess for comorbidities that may impact either caloric needs or require additional management (e.g., exercise limiting orthopedic disease, metabolic/endocrine disorders).

Assess the Client and Feeding Management Success for weight loss depends on the client’s willingness, interest, and ability to follow recommendations (i.e., adherence). Assess the client’s readiness to change his/her feeding habits and evaluate opportunities for changing the pet’s management and lifestyle.38 Identify challenges the client has faced in the past with

Initial Assessment

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feeding management to effectively tailor the plan to the patient and engage the entire household. Assess the Current Diet The diet history can provide valuable information about current caloric intake that can serve as a starting point for the weight loss program and help the veterinarian anticipate potential challenges to the weight loss plan (discussed in detail below). Collect information about total daily intake (i.e., varieties and amounts of foods, treats, chews, and supplements; feeding management; and any use of food to administer medication), with sufficient detail to account for all calories ingested. Anticipate nutritional imbalances when treats and human foods exceed 10% of the total caloric intake.21 Evaluate how food plays a role in the client relationship with the pet, such as food used for training, nurturing, or bonding in specific situations. Assess “nonnegotiables” lifestyle aspects that the client seems either unlikely or unable to change and try to incorporate some aspect of those aspects into the plan. Such compromises can help increase adherence and trust moving forward with the weight loss program.

Designing a Weight Loss Program Overall Approach After the initial assessment is complete, formulate an individualized weight loss plan. The plan should include the determination of the following: 1. Ideal BW 2. Caloric restriction 3. Food selection and treat allowance(s) 4. Feeding management and activity plans 5. Scheduled follow-up Determine Daily Caloric Intake The approach to determining the daily caloric goal for weight loss depends on the presentation and history of the patient.39 Any method of caloric restriction is merely a starting point and subject to individual metabolism. Regular monitoring is essential to ensure healthy weight loss and allow for necessary adjustments in caloric intake. Two options for determining the daily caloric requirements for weight loss are the following: 1. Feed an amount to provide 80% of the current caloric intake. That approach may be effective in patients that are overweight and are at a stable weight with an accurate diet history. However, if a pet is actively gaining weight, a greater reduction may be required to promote effective weight loss. 2. Calculate the resting energy requirement (RER) using the pet’s estimated ideal weight then feed a percentage of that amount. Although there is no established standard reduction, feeding 80% of ideal-weight RER is effective

©AAHA/Kimberly lamb

Educate clients about diet and feeding management adjustments that are necessary when energy expenditure changes to avoid repeated cycles of weight gain and weight loss.

TABLE 1 Summary of BCS Scales and Their Relationship with BF and BW36,68–71 9 point scale

5 point scale

% BF*

% Overweight

4

2.5

15–19

Ideal

5

3

20–24

6

3.5

25–29

10%

7

4

30–34

20%

8

4.5

35–39

30%

9

5

40–45+

40%

9

5

40%

*Current body weight  (100  % BF)/0.8. Lean mass is 80% of ideal weight (assuming 20% BF). BCS, body condition score; BF, body fat; BW, body weight.

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2014 AAHA Weight Management Guidelines for Dogs and Cats

and well tolerated.40,41 Calculate the daily RER for ideal BW in kg using one of the following two equations. Note that the first equation can be used for patients of any weight. The second equation is used for patients weighing 2–25 kg, but note that the second equation is not as accurate as the first equation as it will overestimate the caloric needs of patients weighing either  2 kg or  25 kg. RER in kcal/day = 70(ideal BW [kg])0.75 RER in kcal/day = 30(ideal BW [kg])70 Select a Diet Select a diet based on the caloric restriction desired, the degree of obesity, and the preferences of the patient and client. Inquire about preferences regarding flavor and dry versus canned foods. Evaluate and prepare a list of diet options that vary within those parameters if the first or second choice does not meet with acceptance from the client or pet. Determine availability and affordability concerns that might influence diet selection. Before starting a plan, make sure that everyone involved in the pet’s care is interested and receptive, ensuring that the plan is practical and feasible for the client’s abilities and lifestyle. Then calculate the daily food dose and translate that dose into quantities of cans and/or cups/day. If possible, weigh dry food on a scale because measuring with a cup may be imprecise, particularly with the small amounts needed for cats and small dogs (calculate the food dose using the kcal/kg obtained from either the pet food label or the manufacturer).42 Incorporate a treat allowance of up to 10% of total calories into the daily caloric goal. Explore, address, and realign client expectations if necessary. Essential nutrients in pet foods are balanced according to caloric content, so when portion size (and thus calories) is reduced, so are the amounts of essential nutrients. A review of the process for a comprehensive analysis of nutritional adequacy of a diet is beyond the scope of these guidelines; however, evaluating a diet for sufficient protein is an important step for weight loss plans. Consider dietary protein on an energy basis (in g/1,000 kcal) to

Evaluate how food plays a role in the client relationship with the pet, such as food used for training, nurturing, or bonding in specific situations. evaluate the impact of the proposed reduction of caloric intake on National Research Council recommended allowances (Table 2). For a quick rule of thumb to ensure that the diet contains adequate protein, select foods that provide cats with  5 g/kg BW and dogs with  2.5 g/kg BW based on ideal BW (see Evaluating Protein Sufficiency sidebar).43–45 A therapeutic food is defined as a pet food that was purposely formulated to help modulate either a disease or condition. Therapeutic foods are only available either through a veterinary office or with a prescription from a veterinarian. Using a therapeutic weight-loss diet is preferred over using reduced amounts of over-the-counter (OTC) diets because therapeutic diets are more likely to provide adequate nutrient intake when fed in calorically restricted amounts. Therapeutic weight loss diets are formulated to contain more

TABLE 2 Minimum Protein Requirements in Diets72 NRC recommended allowances for protein/kg of ideal BW per day

Minimum protein needed in diet to meet NRC recommended allowances When fed at 80% of RER for ideal BW

When fed at 60% of RER for ideal BW

Cat

4.96 g protein/BW (kg)

0.67

89 g/1,000 kcal

104 g/1,000 kcal

Dog

3.28 g protein/BW (kg)0.75

60 g/1,000 kcal

79 g/1,000 kcal

BW, body weight; NRC, National Research Council; RER, resting energy requirement.

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2014 AAHA Weight Management Guidelines for Dogs and Cats

protein, vitamins, and minerals/calorie than OTC foods, ensuring adequate nutrient intake during caloric restriction. High protein may preserve muscle mass during weight loss and may improve satiety.46,47 As the effects of aging on protein digestibility are not well understood, senior pets may require closer monitoring of protein intake (and MCS) during weight loss.48 Therapeutic foods also may be lower in fat, higher in fiber, and/or higher in moisture to decrease caloric density. That allows clients to feed a greater volume of food with fewer calories. The role of fiber in satiety for dogs and cats is controversial and likely varies among pets.46,49–51 The crude fiber analysis, which is required on a pet food label, accounts for only the insoluble fiber fraction and none of the soluble fiber content and is an underestimate of the true fiber content of most pet foods. Diets containing insoluble fiber purportedly have a lower caloric content by volume and may promote satiety, leading to better diet plan adherence.46 Insoluble fiber may cause an increase in the volume and frequency of bowel movements.52 Discuss that potential effect of fiber with clients when selecting a diet. Restricting the amount of OTC maintenance food that is fed, especially diets with high caloric density, generally fails to provide satiety for most pets, contributing to poor adherence and client frustration. Restricting amounts of an OTC maintenance diet fed could also lead to deficiency of one or more essential nutrients.53 The current median kcal/cup of therapeutic and OTC dry foods marketed for weight management are 301 kcal/cup (dogs) and 342 kcal/cup (cats).54 However, there is wide variation and there are no nutritional or caloric criteria mandated for the terms such as “less active,” “indoor,” “weight control,” “optimal weight,” or “healthy weight.” Products labeled “less” or “reduced” calories or fat have no restriction on calorie or fat content other than being some amount lower than the company’s chosen comparison product. Foods with labels stating “lite” or “light” must contain less than a certain amount of calories/kg set by the Association of American Feed Control Officials (AAFCO), although there is no restriction on calories/cup or can.22 For specific definitions and amounts that qualify as “light,” see the AAFCO 2013 Official Publication.22 Due to the wide variability of products with such labeling, achievement of weight loss requires careful evaluation of those products on a case-by-case basis. When advising clients about amounts to feed, it is best to do so based on a caloric target, not just a variation on the label range. Pet foods that show similar caloric content/cup or content/can may show entirely different recommendations about the amount to feed. Compare the caloric density, not the label feeding amounts, to determine caloric intake. In some instances it may be appropriate to adjust volume alone and not change to a therapeutic diet if the pet can lose weight with modest caloric restriction and without feeding below the label guidelines to provide calories for ideal weight. That process

will ensure the pet receives adequate nutrients. For example, that approach may apply to either cats being transitioned to meals from free feeding or to pets just slightly overweight and easily able to increase activity. There is little to no evidence showing that any nutritional supplement aids in weight loss.55 There is one FDA-approved pharmaceuticala that is currently available for the management of obesity in dogs. That medication was evaluated in a safety and efficacy study up to 1 yr’s duration when used with a maintenance diet.56 As with any medication, it may not be appropriate for every patient.

Evaluating Protein Sufficiency Using RERs and BW67,68 Because labels do not show protein content in g per 1,000 kcal, the g of protein being fed can be calculated using the “guaranteed analysis” and the following information: Assume an overweight dog with 10 kg ideal body weight. Assume your food label shows 21% crude protein and contains 3,490 kcal/kg.

1. Calculate dog’s caloric needs at 80% resting energy requirements (see text), use the following equation: 80%(70  10 kg0.75) = 315 kcal/day

2. Calculate g of protein in the food using the following equation: (%crude protein/kcal/kg)  10,000 = g/1,000 kcal of food 21/3,490 kcal/kg  10,000 = 60 g/1,000 kcal

3. Determine dog’s daily protein requirement using the following equation: 5 g/kg for cats and 2.5g/kg for dogs 2.5 g/kg  10 kg BW = 25 g protein/day

4. Determine whether the food provides sufficient protein to meet canine pet’s needs using the following equation: 315 kcal/day  60 g/1,000 kcal = 18.9 g/day 18 g  25 g This food does not provide sufficient protein.

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2014 AAHA Weight Management Guidelines for Dogs and Cats

Exercise/Activity Research in humans has shown that combining caloric reduction with exercise offers the best chance of successful and sustainable weight loss.57,58 Physical activity provides several potential benefits including preservation of lean muscle mass, increased caloric expenditure, and promotion of behaviors that aid in sustainable weight loss.59 Although evidence that exercise will enhance weight loss outcomes in pets is preliminary, data from humans suggests that increased activity could have a positive impact on weight loss in pets.40,60 Physical activity differs between dogs and cats. Assess and discuss with the client any pet and/or client physical limitations, client schedule, expectations and goals, possibilities, and limitations (e.g., pet sitter/daycare availability, activity options, adverse weather conditions). Assess any comorbidities that may affect tolerance and timing of implementation of a physical activity program. Once a patient is deemed healthy enough to undergo an exercise program, design a plan based on endurance, intensity, and type of exercise. For pets with limited mobility, consider either low-impact exercise alternatives (such as swimming) or consultation with a rehabilitation therapist. Factors to consider when formulating a plan include who will be involved (e.g., client, veterinarian, rehabilitation therapist, referral) and documenting activity (i.e., time, intensity, caloric expenditure, etc.). Use that information along with weight change to adjust the feeding and/or exercise plan as needed. Evidence is lacking to describe an ideal exercise program for dogs. With the exception of walking, caloric expenditures for various forms of exercise in pets is largely undocumented. One approach for an obese dog with no orthopedic restrictions is to start with a 5 min walk three times/day, if possible. Increase gradually until either the client’s or pet’s limit is reached or once a total of 30–45 min of walking/day has been achieved.57

Introducing physical activity in cats can be challenging. Recommendations focus on environmental enrichment to encourage activity and modify behavior. 10

In general, most dogs expend about 1.1 kcal/kg/km at a brisk walking pace of 10–10.5 min/km.61,62 A 45 kg dog will burn about 240 calories after 4.82 km at that pace. Walking at a slower pace also has health benefits, although the benefits are difficult to quantify because of lack of current research. Use the above-described estimates to calculate suggested exercise by either duration or distance and incorporate that into the weight-loss plan. Without similar guidelines for other types of exercise, documentation of activity combined with more frequent weight monitoring may aid evaluation of other exercise protocols. Introducing physical activity in cats can be challenging. Recommendations focus on environmental enrichment to encourage activity and modify behavior as summarized in Table 3. Hunting and stalking simulations may help motivate physical activity in cats. Sources of further enrichment ideas and activities are available and have been summarized in Table 4.63

Monitoring and Maintenance Effective follow-up and regular monitoring by the entire veterinary team are critical components of a successful weight loss program. Consider some of the following points: yy Train the veterinary team to provide consistent information about diet and feeding for each life stage. yy Implement multimodal client reminder systems (e.g., postcards, phone calls, emails). yy Designate specific team members for client support and follow-up encouragement. yy Provide or recommend that clients participate in group programs (e.g., dog walking groups, agility clubs). Once a program has been initiated, contact the client after the first week as many get discouraged with concerns such as food refusal and begging behaviors that are best addressed early on. Provide clinical support from team members via frequent phone calls between weight checks. Identify and address obstacles and client concerns, satisfaction, or frustrations with the program. Follow up with the client either by telephone or an office visit q 2 wk until the desired rate of weight loss is established. Monitor the patient monthly until the ideal weight has been reached and has stabilized on a long-term maintenance program. Suggested Follow-Up Procedure Consider some of the following suggestions when following up with the patient and clients: yy Ask open-ended questions to solicit client observations and concerns. Provide positive reinforcement. yy Record BW, MCS, and BCS. It may be useful to show the client measurements of either girth or abdominal circumference to emphasize losses. yy Take a picture of the patient. Create a chart to monitor and show progress.

©jmbruchez/Getty Images

TABLE 3 Issues Impeding/Preventing Weight Loss and Possible Solutions Issues

Possible solutions

Pet factors Looks hungry/ begging

•• Explain nutrient and calorie needs are met and that the begging is behavior, not nutritional or hunger-related. •• Offer social or activity substitute (e.g., play, groom, walk, offer affection).73 Distribute a portion of the diet as treats instead of meals. •• Divide food into more frequent, smaller meals. •• Use food as salary the pet must earn. •• Provide environmental enrichment. •• Use food balls and food puzzles. •• Place food to encourage exercise (e.g., cat tree/fetch). •• Choose low-calorie treats (e.g., low-starch vegetables). •• Remove pet from human feeding areas.

Misbehavior (trash raiding)

•• Increase physical activity and environmental enrichment. •• Partner with client in solution building; set realistic expectations.

Nocturnal vocalization

•• Explain feline nocturnal feeding behavior.74 •• Change feeding management (night, later feeding, set automatic feeders for night). •• Provide food toys/hidden food search.

Insufficient exercise

•• Encourage social groups for clients to relate to each other and promote exercise (e.g., dog walking groups, online communities). •• Explore possibilities for day care, pet sitter services, hiring neighbors or teens. •• Suggest creative ways to exercise when hot/cold weather interferes.

Multipet household with food sharing/ stealing

•• Explore separate meal feeding options. •• Change food for all pets if possible. •• Offer food puzzles to slow down and separate feedings. •• Separate pets based on their physical abilities or size differences (e.g., food box with small hole for small cat; cat food high up, not accessible to dogs). •• Use products that restrict crate access based on a magnetic collar.

Pet doesn’t accept new diet

•• Provide food alternatives with different textures and moisture content. •• Use treat allowance of up to 10% of the overall calories of the diet as a palatability enhancer. •• Gradually introduce a new food over 1wk. •• For cats, offer the new food side-by-side with the current diet, with gradual removal of the usual food. •• Avoid offering alternatives if the pet skips a meal; however, do not allow cats to go longer than 24 hr without consuming any meals.

Weight loss plateau

•• Inform clients that metabolic adaptations may result in slowing of weight loss and adjustment of the feeding plan will allow for weight loss to resume.75,76 •• Educate clients about necessary adjustments when energy expenditure changes to avoid repeated cycles of weight gain and weight loss. •• Reassess exercise expenditure and recommend necessary changes. •• Reassess/adjust caloric intake. •• Consider water therapy/physical activity program, especially with pre-existing medical problems affecting exercise tolerance.

Client factors Client frustration and fatigue

•• Extend recheck appointment length to allow greater support. •• Identify and address specific frustrations. •• Offer more frequent or intense coaching. •• Be empathetic and nonjudgmental. •• Acknowledge the difficulty of weight loss. •• Encourage use of support groups.

Client resists new diet choice

•• Discuss preferences of food type and find compromises that meet client needs. •• Educate and inform client about food myths.

Client guilt

•• Explain food-seeking behavior is often attention-seeking behavior. •• Continue education about health benefits of weight management. •• Explain that dogs develop stronger bonds with people who walk them than with those who provide food.

Nonadherent/ noncompliant household members

•• Offer methods to premeasure all food and treats for the day. •• Identify specific impediments to adherence and offer specific solutions. •• Consider multimodal methods (handouts, websites, emails, face-to-face meetings) for emphasizing the specific impact of excess BW on patient. •• Engage entire family if nonadherence is suspected.

BW, body weight.

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2014 AAHA Weight Management Guidelines for Dogs and Cats

yy Calculate the rate of weight loss using the calculation: %weight loss/wk = (amount of loss since last visit/weight at last visit  100/number of wk since last weight measurement) xx The desired rate of weight loss in dogs is 1–2%/wk, and in cats is 0.5–2%/wk. xx Modify the rate of weight loss in growing pets  1 yr of age (see previous comments about feeding for growth). Depending on patient age, the focus may be to slow weight gain rather than to cause weight loss. xx Anticipate a possible slower rate of weight loss in patients with a comorbid condition (such as hyperadrenocorticism or hypothyroidism) either until or unless the primary disease is addressed.

yy If MCS decreases, confirm adequate protein intake and evaluate the patient for either too-rapid weight loss or a comorbid condition that intensifies catabolism (e.g., diabetes, renal disease, hyperthyroidism), and adjust intake to reduce the rate of weight loss. yy If the desired weight loss is achieved, congratulate the client and identify the next target weight. yy If weight loss is greater than the above-described desired rates, increase calories by 10% and monitor response. Reassess if Weight Loss Is Insufficient If the desired weight loss is less than the above-described desired rates, consider the following: yy Evaluate either adherence or other influences that may have tempered results and suggest alternatives. yy If adherence is verified and there is no evidence of risk,

TABLE 4 Websites for Additional Information Website

URL

Information on website

American Animal Hospital Association

aahanet.org aahanet.org/Library/Guidelines Terms.aspx

Nutritional assessment guidelines; canine and feline life stage guidelines; nutritional assessment tools.

American Association of Feline Practitioners

catvets.com

Feline life stage guidelines; feline behavior guidelines; feline environmental needs guidelines; environmental enrichment tips.

American Veterinary Medical Association

ebusiness.avma.org/ EBusiness50/ProductCatalog/ ProductCategory.aspx?ID=132

Client brochures, including “Your Pet’s Healthy Weight.”

Association for Pet Obesity Prevention

PetObesityPrevention.org

Weight loss tools, pet food information.

Association of American Feed Control Officials (AAFCO)

General information about pet food label regulations; pet petfood.aafco.org/ LabelingLabelingRequirements.aspx food regulations label review checklist, including specific term petfood.aafco.org/Presentations.aspx definitions for weight management and calorie claims (see part IX, pages 169–200).

Catalyst Council

catalystcouncil.org/resources/ health_welfare/

List of links and resources, including environmental enrichment and exercise ideas for vets and cat owners.

Indoor Pet Initiative

Indoorpet.osu.edu

Indoor pet initiative to increase environmental enrichment.

Partnership for Healthy Pets

partnersforhealthypets.org/practice_ resources_overview.aspx

Practice resources and tools.

Pet Nutrition Alliance

petnutritionalliance.org/ About_Us.aspx

Comprehensive nonbranded site providing tools and nutrition resources for health care professionals and clients.

Texas A&M University

vetmedicine.org/vetmednet/index. php?pageid=5013

Weight reduction calculator.

World Small Animal Veterinary Association

wsava.org/nutrition-toolkit

Nutrition toolkit; simple and extended diet history form template; pet food selection handout, including how to select a pet food.

12

2014 AAHA Weight Management Guidelines for Dogs and Cats

reduce calories by 10–20% and/or change activity recommendations and identify the next benchmark. xx In the authors’ experience, to achieve weight loss, most patients can tolerate caloric restriction as low as 60% of RER of ideal BW without adverse clinical signs.64,65 Warn clients that that approach will likely differ from feeding instructions on the label. xx More aggressive caloric restriction ( 60% RER) increases the risk of nutritional deficiencies and undesirable pet behavior that will test the client’s commitment and adherence. Both commercial and therapeutic diets may lack adequate levels of essential nutrients at that level of caloric restriction. Cats may also have increased risk of hepatic lipidosis. xx Consult with or refer to a board-certified veterinary nutritionist for clients with pets requiring  60% RER to achieve weight loss. yy Schedule the next weight check or telephone follow-up. Maintain Weight Loss Once Goals Are Achieved Once the pet has reached its ideal BW, careful monitoring is essential to avoid weight regain. Some pets may have a propensity to quickly regain excess BW after a period of weight loss if healthy lifestyle habits are not continued. Selection of a diet for BW maintenance is based on the pet’s metabolic needs and client preferences, but during maintenance many pets still require relatively low caloric intake.40 When faced with caloric restriction, some pets’ metabolism may reset at a lower rate and, thus, they may require greater caloric restriction than expected after the ideal BW has been achieved.66 Some pets may plateau at an ideal BW and require no change in intake from that used during the weight loss program for weight maintenance going forward. If the patient is still losing weight once the ideal BW is achieved, increase caloric intake by 10% to change from weight loss to weight maintenance. Monitor q 2 wk until stable BW is achieved then monitor monthly to make sure ideal BW is being maintained, making adjustments if necessary. It may take several monthly recheck exams to determine appropriate maintenance energy requirements.

Client Communication and Pet Behavior Modification The process of managing and encouraging weight-loss programs can be challenging. Weight loss is seldom continually linear, which can frustrate pet owners and veterinary staff. Factors that affect programs are both pet- and client-related. Some common areas that challenge successful weight loss, and possible solutions, are shown in Table 3. Internet resources for tools and further information are listed in Table 4.

Once the pet has reached its ideal BW, careful monitoring is essential to avoid weight regain. Conclusion This article highlights the importance of weight management and is meant to aid in the implementation of successful weight management programs. The authors’ intent is also to stimulate discussion about, and encourage further investigation into, weight management for pets. The prevalence of overweight dogs and cats is excessively high, and the authors would like these guidelines to serve as a call to action for small animal practitioners everywhere to give these patients the attention they merit. There is a need for further research to develop more effective strategies for achieving successful weight loss in dogs and cats. Design of effective exercise programs is hampered due to lack of information on calories expended during many forms of exercise. It is the authors’ hope that future research will aid the practitioner in the development of strategic exercise plans for dogs and cats. Additionally, the authors feel strongly that the pet food industry must provide standardized and consumer-friendly nutrient profile information and clearer feeding guides on pet food labels to enable veterinary teams and consumers to make more informed diet and feeding management choices for pets. The new AAFCO requirement to show caloric content on pet food labels is not scheduled to be fully implemented until 2015. The recent designation of obesity as a disease by the American Medical Association is compelling as it offers recognition of the serious and complex nature of the condition, but it may have unintended consequences. Although beyond the scope and mission of these guidelines, further discussion of that matter in veterinary medicine is warranted. A successful weight management program will greatly improve the health of pets, reduce the potential for future health concerns, increase the level of activity of pets, and ultimately will improve the client/patient bond.   a

©istock.com/amriphoto

Dirlotapide; Zoetis, Florham Park, NJ

13

References 1. Courcier EA, O’Higgins R, Mellor DJ, et al. Prevalence and risk factors for feline obesity in a first opinion practice in Glasgow, Scotland. J Feline Med Surg 2010;12(10):746–53.

28. Edney AT, Smith PM. Study of obesity in dogs visiting veterinary practices in the United Kingdom. Vet Rec 1986;118(14):391–6.

2. Courcier EA, Thomson RM, Mellor DJ, et al. An epidemiological study of environmental factors associated with canine obesity. J Small Anim Pract 2010;51(7):362–7.

29. Scarlett JM, Donoghue S, Saidla J, et al. Overweight cats: prevalence and risk factors. Int J Obes Relat Metab Disord 1994; 18(suppl 1):S22–8.

3. Lund E, Armstrong P, Kirk C, et al. Prevalence and risk factors for obesity in adult cats from private US veterinary practices. Intern J Appl Res Vet Med 2005;3(2):88–96.

30. Laflamme DP. Nutrition for aging cats and dogs and the importance of body condition. Vet Clin North Am Small Anim Pract 2005;35(3): 713–42.

4. Lund E, Armstrong P, Kirk C, et al. Prevalence and risk factors for obesity in adult dogs from private US veterinary practices. Intern J Appl Res Vet Med 2006;4:177–86.

31. Armstrong P, Lund E. Changes in body composition and energy balance with aging. Vet Clin Nutr 1996;3(3):83–7.

5. Lawler DF, Evans RH, Larson BT, et al. Influence of lifetime food restriction on causes, time, and predictors of death in dogs. J AmVet Med Assoc 2005;226(2):225–31.

32. Debraekeloer J, Gross K, Zicker S. Normal dogs. In: Hand MS, Thatcher CD, Remillard RL, et al, eds. Small animal clinical nutrition. 4th ed. Topeka (KS): Mark Morris Institute; 2000:213–60.

6. German AJ. The growing problem of obesity in dogs and cats. J Nutr 2006;136(7)(suppl):1940S–6S.

33. Michel KE, Anderson W, Cupp C, et al. Correlation of a feline muscle mass score with body composition determined by dualenergy X-ray absorptiometry. Br J Nutr 2011;106(suppl 1):S57–9.

7. Kealy RD, Lawler DF, Ballam JM, et al. Effects of diet restriction on life span and age-related changes in dogs. J Am Vet Med Assoc 2002; 220(9):1315–20. 8. Lusby AL, Kirk CA, Bartges JW. The role of key adipokines in obesity and insulin resistance in cats. J Am Vet Med Assoc 2009; 235(5):518–22. 9. Wakshlag JJ, Struble AM, Levine CB, et al. The effects of weight loss on adipokines and markers of inflammation in dogs. Br J Nutr 2011; 106(suppl 1):S11–4. 10. Laflamme DP. Companion Animals Symposium: Obesity in dogs and cats: What is wrong with being fat? J Anim Sci 2012;90(5):1653–62. 11. Bach JF, Rozanski EA, Bedenice D, et al. Association of expiratory airway dysfunction with marked obesity in healthy adult dogs. Am J Vet Res 2007;68(6):670–5. 12. Lund EM, Armstrong PJ, Kirk CA, et al. Health status and population characteristics of dogs and cats examined at private veterinary practices in the United States. J Am Vet Med Assoc 1999;214(9):1336–41.

34. Lusby A, Kirk C. Obesity. In: Bonagura J, Twedt D, eds. Kirk’s current veterinary therapy XIV. St. Louis (MO): Saunders Elsevier; 2008: 191–5. 35. Laflamme D. Development and validation of a body condition score system for cats. Feline Pract 1997;25:13–8. 36. Bjornvad CR, Nielsen DH, Armstrong PJ, et al. Evaluation of a ninepoint body condition scoring system in physically inactive pet cats. Am J Vet Res 2011;72(4):433–7. 37. Laflamme D. Development and validation of a body condition score system for dogs. Canine Pract 1997;22:10–5. 38. Churchill J. Increase the success of weight loss programs by creating an environment for change. Compend Contin Educ Vet 2010; 32(12):E1. 39. Laflamme DP, Kuhlman G, Lawler DF. Evaluation of weight loss protocols for dogs. J Am Anim Hosp Assoc 1997;33(3):253–9.

13. Tvarijonaviciute A, Ceron JJ, Holden SL, et al. Effect of weight loss in obese dogs on indicators of renal function or disease. J Vet Intern Med 2013;27(1):31–8.

40. German AJ, Holden SL, Mather NJ, et al. Low-maintenance energy requirements of obese dogs after weight loss. Br J Nutr 2011; 106(suppl 1):S93–6.

14. Scarlett JM, Donoghue S. Associations between body condition and disease in cats. J Am Vet Med Assoc 1998;212(11):1725–31.

41. Wakshlag JJ, Struble AM, Warren BS, et al. Evaluation of dietary energy intake and physical activity in dogs undergoing a controlled weight-loss program. J Am Vet Med Assoc 2012;240(4):413–9.

15. Kil DY, Swanson KS. Endocrinology of obesity. Vet Clin North Am Small Anim Pract 2010;40(2):205–19.

42. German AJ, Holden SL, Mason SL, et al. Imprecision when using measuring cups to weigh out extruded dry kibbled food. J Anim Physiol Anim Nutr (Berl) 2011;95(3):368–73.

16. Marshall W, Bockstahler B, Hulse D, et al. A review of osteoarthritis and obesity: current understanding of the relationship and benefit of obesity treatment and prevention in the dog. Vet Comp Orthop Trauma 2009:22(5):339–45.

43. Hewson-Hughes AK, Hewson-Hughes VL, Miller AT, et al. Geometric analysis of macronutrient selection in the adult domestic cat, Felis catus. J Exp Biol 2011;214(pt 6):1039–51.

17. Glickman LT, Schofer FS, McKee LJ, et al. Epidemiologic study of insecticide exposures, obesity, and risk of bladder cancer in household dogs. J Toxicol Environ Health 1989;28(4):407–14.

44. Zoran DL, Buffington CA. Effects of nutrition choices and lifestyle changes on the well-being of cats, a carnivore that has moved indoors. J Am Vet Med Assoc 2011;239(5):596–606.

18. Perez Alenza MD, Peña L, del Castillo N, et al. Factors influencing the incidence and prognosis of canine mammary tumours. J Small Anim Pract 2000;41(7):287–91.

45. Wannemacher RW Jr, McCoy JR. Determination of optimal dietary protein requirements of young and old dogs. J Nutr 1966;88(1): 66–74.

19. Pérez Alenza D, Rutteman GR, Peña L, et al. Relation between habitual diet and canine mammary tumors in a case-control study. J Vet Intern Med 1998;12(3):132–9.

46. Weber M, Bissot T, Servet E, et al. A high-protein, high-fiber diet designed for weight loss improves satiety in dogs. J Vet Intern Med 2007;21(6):1203–8.

20. White GA, Hobson-West P, Cobb K, et al. Canine obesity: is there a difference between veterinarian and owner perception? J Small Anim Pract 2011;52(12):622–6.

47. Halton TL, Hu FB. The effects of high protein diets on thermogenesis, satiety and weight loss: a critical review. J Am Coll Nutr 2004;23(5):373–85.

21. Baldwin K, Bartges J, Buffington T, et al. AAHA nutritional assessment guidelines for dogs and cats. J Am Anim Hosp Assoc 2010; 46(4):285–96.

48. Hutchinson D, Freeman L, Schreiner K, et al. Requirements of senior dogs and analysis of nutrient profiles of commercially available diets for senior dogs. Intern J Appl Res Vet Med 2011;9(1):68–79.

22. Association of American Feed Control Officials. Official Publication. Oxford (IN): Association of American Feed Control Officials 2013. Available online at www.aafco.org. Accessed October 24, 2013.

49. Butterwick RF, Markwell PJ. Effect of amount and type of dietary fiber on food intake in energyrestricted dogs. Am J Vet Res 1997; 58(3):272–6.

23. Houpt KA, Coren B, Hintz HF, et al. Effect of sex and reproductive status on sucrose preference, food intake, and body weight of dogs. J Am Vet Med Assoc 1979;174(10):1083–5.

50. Yamka R, Frantz N, Friesen K. Effects of 3 canine weight loss foods on body composition and obesity markers. Intern J Appl Res Vet Med 2007;5(3):125–32.

24. Flynn MF, Hardie EM, Armstrong PJ. Effect of ovariohysterectomy on maintenance energy requirement in cats. J Am Vet Med Assoc 1996;209(9):1572–81.

51. Jewell DE, Toll PW, Novotny BJ. Satiety reduces adiposity in dogs. Vet Ther 2000;1(1):17–23.

25. Jeusette I, Detilleux J, Cuvelier C, et al. Ad libitum feeding following ovariectomy in female Beagle dogs: effect on maintenance energy requirement and on blood metabolites. J Anim Physiol Anim Nutr (Berl) 2004;88(3–4):117–21. 26. Bermingham EN, Weidgraaf K, Hekman M, et al. Seasonal and age effects on energy requirements in domestic short-hair cats (Felis catus) in a temperate environment. J Anim Physiol Anim Nutr (Berl) 2013;97(3):522–30. 27. Kienzle E, Rainbird A. The maintenance energy requirement of dogs–what is the correct value for the calculation of metabolic body weight in dogs. J Nutr 1991;121(11 suppl):S39–40.

14

52. Prola L, Dobenecker B, Mussa PP, et al. Influence of cellulose fibre length on faecal quality, mineral excretion and nutrient digestibility in cat. J Anim Physiol Anim Nutr (Berl) 2010;94(3):362–7. 53. Linder DE, Freeman LM, Morris P, et al. Theoretical evaluation of risk for nutritional deficiency with caloric restriction in dogs. Vet Q 2012;32(3–4):123–9. 54. Linder DE, Freeman LM. Evaluation of calorie density and feeding directions for commercially available diets designed for weight loss in dogs and cats. J Am Vet Med Assoc 2010;236(1):74–7. 55. Roudebush P, Schoenherr WD, Delaney SJ. An evidence-based review of the use of nutraceuticals and dietary supplementation for the management of obese and overweight pets. J Am Vet Med Assoc 2008;232(11):1646–55.

References energy expenditure in cats that is maintained after weight regain. J Nutr 2008;138(5):856–60.

56. Gossellin J, Peachey S, Sherington J, et al. Evaluation of dirlotapide for sustained weight loss in overweight Labrador retrievers. J Vet Pharmacol Ther 2007;30(suppl 1):55–65.

67. Shmalberg J. Beyond the guaranteed analysis: comparing pet foods. Today’s Veterinary Practice. January/February 2013;3(1):43–5.

57. Hunter GR, Brock DW, Byrne NM, et al. Exercise training prevents regain of visceral fat for 1 year following weight loss. Obesity (Silver Spring) 2010;18(4):690–5. 58. Andreou E, Philippou C, Papandreou D. Effects of an intervention and maintenance weight loss diet with and without exercise on anthropometric indices in overweight and obese healthy women. Ann Nutr Metab 2011;59(2–4):187–92. 59. Snel M, Gastaldelli A, Ouwens DM, et al. Effects of adding exercise to a 16-week very low-calorie diet in obese, insulin-dependent type 2 diabetes mellitus patients. J Clin Endocrinol Metab 2012;97(7): 2512–20.

68. Subcommittee on Dog and Cat Nutrition, Committee on Animal Nutrition, National Research Council. Nutrient Requirements of Dogs and Cats. 2006. Available at: www.nap.edu/catalog.php? record_ id.10668#toc. Accessed October 24, 2013. 69. Laflamme D. Development and validation of a body condition score system for dogs. A clinical tool. Canine Pract 1997;22:10–5. 70. Laflamme D. Development and validation of a body condition score system for cats. A clinical tool. Feline Pract 1997;25:13–8.

60. Kushner RF, Blatner DJ, Jewell DE, et al. The PPET Study: people and pets exercising together. Obesity (Silver Spring) 2006;14(10):1762–70.

71. Burkholder WJ. Use of body condition scores in clinical assessment of the provision of optimal nutrition. J Am Vet Med Assoc 2000; 217(5):650–4.

61. Tipton CM, Carey RA, Eastin WC, et al. A submaximal test for dogs: evaluation of effects of training, detraining, and cage confinement. J Appl Physiol 1974;37(2):271–5.

72. Subcommittee on Dog and Cat Nutrition, Committee on Animal Nutrition, National Research Council. Nutrient Requirements of Dogs and Cats. 2006.

62. Grandjean D, Paragon B- M. Nutrition of racing and working dogs. Part I. Energy metabolism of dogs. Comp Cont Ed 1992;14:1608–15.

73. Mariti C, Carlone B, Borgognini-Tarli S, et al. Considering the dog as part of the system: studying the attachment bond of dogs toward all members of the fostering family. J Vet Behav 2011; 6:90–1.

63. Ellis SL, Rodan I, Carney HC, et al. AAFP and ISFM feline environmental needs guidelines. J Feline Med Surg 2013;15(3):219–30.

74. Tuzio H, Elston T, Richards J, et al. Feline behavior guidelines from the American Association of Feline Practitioners. 2004. Available at: http://www.catvets.com/public/PDFs/Practice Guidelines/ FelineBehaviorGLS.pdf. Accessed October 10, 2013.

64. Biourge VC, Groff JM, Munn RJ, et al. Experimental induction of hepatic lipidosis in cats. Am J Vet Res 1994;55(9):1291–302. 65. Armstrong P, Hardie E, Cullen J, et al. L-carnitine reduces hepatic fat accumulation during rapid weight reduction in cats [abstract]. J Vet Intern Med 1992;6(2):127. 66. Villaverde C, Ramsey JJ, Green AS, et al. Energy restriction results in a mass-adjusted decrease in

75. Nagaoka D, Mitsuhashi Y, Angell R, et al. Re-induction of obese body weight occurs more rapidly and at lower caloric intake in beagles. J Anim Physiol Anim Nutr (Berl) 2010;94(3):287–92. 76. MacLean PS. A peripheral perspective of weight regain. Am J Physiol Regul Integr Comp Physiol 2005;288(6):R1447–9.cc

Tip Sheet

Calculating a Pet’s Caloric Intake for Weight Management Calculate the Resting Energy Requirement (RER) using the pet’s estimated ideal weight, then feed a percentage of that amount. Although there is no established standard reduction, feeding 80% of ideal-weight RER is effective and well tolerated. Calculate the daily RER for ideal body weight in kilograms (BWkg) using one of the following equations: a. RER in kcal/day = 70  (Ideal BWkg)0.75. This equation can be used for patients of any weight. b. RER in kcal/day = 30  (Ideal BWkg) + 70. This formula is less accurate as the previous one. It will overestimate large and underestimate small patients’ caloric needs. Use it only for patients weighing 2–25 kg (6–60 lb). RER (in kcal) for Various Body Weights (in kg)* Ideal body weight

RER

Ideal body weight

RER

Ideal body weight

RER

Ideal body weight

RER

Ideal body weight

1

70

11

423

21

687

31

920

41

1,134

51

1,336

2

118

12

451

22

711

32

942

42

1,155

52

1,356

3

160

13

479

23

735

33

964

43

1,175

53

1,375

4

198

14

507

24

759

34

986

44

1,196

54

1,394

RER

Ideal body weight

RER

5

234

15

534

25

783

35

1,007

45

1,216

55

1,414

6

268

16

560

26

806

36

1,029

46

1,236

56

1,433

7

301

17

586

27

829

37

1,050

47

1,257

57

1,452

8

333

18

612

28

852

38

1,071

48

1,277

58

1,471

9

364

19

637

29

875

39

1,092

49

1,296

59

1,490

10

394

20

662

30

897

40

1,113

50

1,316

60

1,509

*RER in kcal/day = 70  (ideal body weight in kg)0.75

RER, Resting Energy Requirement

15

Model Protocol This form is available at the AAHA Download Center. aahanet.org/library/Weight_Management_Download_Center.aspx

Dogs and Cats Guidelines for ______ t en em ag an ____________ eight M ____________ __ __ __ __ 2014 AAHA W __ ______ _____

____ ______ w/update: ____ ____________ ____________ ____ Next revie __ __ __ __ __ __ __ __ __ __ __ tion date: __ Hospital name: ___Implementa ____________ __ d: te da up d/ Date create

PLANNING s referenced: r Dogs and Cats AAHA guideline ent Guidelines fo em ag an M ht ission vision? d Cats eig 2014 AAHA W your practice m lines for Dogs an __ does it further sessment Guide w As l ho na d tio an ____________ tri ol __ Nu oc __ 2010 AAHA agement prot ____________ an __ m __ ht ig __ __ we is __ of th _________ ____________ t is the purpose ____________ ____________ Purpose: Wha protocol? ____ ____________ is __ th __ of n __ tio __ ta __ ___ __ aging implemen ____________ ____________ onsible for man ____________ sp __ re __ is __ ho __ W : __ nt person ________ t this protocol? Supervisor/poi le for carrying ou sib .) on 20 sp ge re is pa on ho r(s): W d Responsibilities Team membe see Staff Roles an out this section, … (For help filling ement)? responsibilities ____ , weight manag ber’s roles and em m ______________ am te en ch cli t coaching ea n, tio on d ica se ______________ un __ Ba m : __ m __ co __ , __ ____ .g. Training __ (e __ __ __ cs __ __ pi __ __ to hat ______________ ______________ ined and on w ______________ ______________ ___ __ __ __ Who will be tra __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ ______________ livered? ________ ______________ __ __ de __ __ be __ __ it __ __ ill __ px __ w __ .as __ n __ enter ered? Whe ______________ t_Download_C training be deliv ed? __________ ht_Managemen How often will will it be deliver rg/library/Weig re t.o he ne W ha aa g? r. in nte in d Ce rm the tra AAHA Downloa Who will perfo ple chart at the p easily with a sim ste s thi e let mp provide? Co rvices will you ________ management se ht ig we t __ ha w __ ________ e, TION ____________ __ referred to abov s __ ne __ IMPLEMENTA eli __ id __ gu ____________ d on the AAHA ____________ Workflow: Base ____________ ____________ __ __ __ otocol? __ pr __ ____________ is implement th ____________ ____________ to __ e __ us __ u __ yo ill __ w s and tasks ____________ What processe ____________ ____________ __ __ __ __ __ ________ e questions: _Center.aspx s 18–19 lp answer thes ent_Download ecklists on page sources can he eight_Managem 20; Model Task Ch re y/W g ge in rar pa , w lib ies llo rg/ ilit fo t.o e sib ne __ Th r. aaha d Respon ____________ Download Cente 17; Staff Roles an ____________ s from the AAHA __ list __ Algorithm, page eck __ _ ch __ d __ __ an __ d the algorithm ____________ be recorded? __ You can downloa agement plan ____________ an __ m __ _ ht __ __ ig __ __ we __ __ pet’s __________ __________ : How will each ____________ ____________ __ __ __ __ _ __ __ __ Medical record __ __ it? __ __ g in __ __ rd ____________ ____________ onsible for reco d recorded? __ ____________ __ an __ Who will be resp __ d __ re __ __ ito __ __ __ on __ m __ ____________ ____________ pet’s weight be ____________ How will each ____________ ____________ for recording it? __ le __ sib __ on __ sp __ re h-ins? Who will be between weig ____________ ____ ns be made? __ ent during and cli tio e ta th no ill ith ____________ w w __ n g How ofte ____________ communicatin r __ fo __ le __ ____ sib __ __ on __ __ sp __ __ re ____________ ____________ ication: Who is ____________ ____________ ? Client commun __ ies __ tit __ an __ qu __ t stock, in wha ____________ ___ ed to be kept in ____________ ____________ What items ne s: lie pp su d ____________ __ __ __ __ __ Inventory an __ __ __ g: __________ ____________ of the followin ____________ ____________ __ __ __ __ _ __ __ __ Consider some __ __ __ __ __ __ __ ____ ____________ ____________ ____________ ____________ ____________ __ __ __ __ Diets ________ __ __ __ __ __ __ __ __ __ __ __ __ __________ __________ uipment ______ ____________ ____________ Supplies and eq ________ ____________ ts __________ __ pe r s? ge ale ____________ lar sc d __ ur an __ yo r __ fo __ le __ du r? he te sc un Scales for small g onitorin ld over the co tenance and m sing toys be so What is the main or food dispen ity tiv ac l ica ys oting ph ______ Will items prom ____________ ____________ __ __ __ __ __ IALS ? __________ ATION MATER _ ons or situations CLIENT EDUC ____________ for what conditi , ed on page 21.) s ne ce u ur yo so ____________ do Re __ s e ial __ th e er __ at Se ? . _ m ns t res __ tio ha hu __ W and broc ials and instruc ____________ client handouts propriate mater ____________ ap __ __ ive __ ce (AAHA provides re __ ts __ clien agement? __ le for ensuring out weight man Who is responsib erved. stay excited ab we ill rg). All rights res w w Ho ion: ation (aahanet.o al Hospital Associ Team motivat American Anim ©2014

16

Weight Management Algorithm Take a full dietary history and perform a physical exam. That exam should include a nutritional assessment with body condition score (BCS) and/ or muscle condition score (MCS). Explain what you are doing as you do it. Record the nutritional assessment and BCS/MCS in the medical record. Yes

Has the client been informed about weight management? No

Yes

Introduce the concepts of ideal weight and weight management.

Discuss weight management and assess client’s readiness to change. Is the client ready to proceed now? Yes

No Discuss and determine obstacles.

Describe the pet’s current weight and BCS. Is the pet at its ideal weight? Yes

No

No

Is the pet on a weight management plan? Yes Has current weight loss goal been met?

Yes

Congratulate and encourage to keep up the good work!

No

Ask questions to tailor the weight management plan to the client’s and pet’s unique situation. Address problems and pose possible solutions.

Create or revise a plan, including feeding amounts, diet type, treats and exercise. Record the nutritional assessment and dietary recommendation in the medical record at every visit.

Inform client of recommended next steps. Determine timing of weigh-ins and subsequent evaluations. Make the appointments. Insert information into reminder system. Print report/checklist for client.

Re-evaluate and reweigh periodically. Create next goal at each weigh-in. ©istock.com/atwstudios

17

Model Task Checklist

Use Checklists to Ensure Consistency Checklists help you deliver the same high-quality care to every patient. When clients are asking questions or you are focusing on handling their pet, it’s easy to skip routine steps you’d normally remember. Use this tool to create checklists based on your practice’s protocol.

Designing a weight loss plan



Estimate the pet’s ideal weight using methods described in the 2014 AAHA Weight Management Guidelines for Dogs and Cats.



Ask the client about their pet’s current diet, including all food, chew toys, treats (including table scraps) and access to other pets’ food.



Assess and document the current caloric intake.



Evaluate the role of food in the relationship between client and pet.



Determine the daily caloric goal using methods described in the 2014 AAHA Weight Management Guidelines for Dogs and Cats.



Select a diet based on the caloric restriction desired, the degree of obesity and the preferences of the client and pet.



Determine the daily treat allowance, if applicable. For example, incorporate a treat allowance up to 10% of total calories into the daily caloric goal. It can be challenging to learn the caloric content of various treats, and the calorie count changes frequently. Call the manufacturer to get that information.

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Evaluate the nutrient profile, particularly protein, in the diet as described in the 2014 AAHA Weight Management Guidelines for Dogs and Cats.

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Modify diet type and/or amount as necessary.

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Discuss with the client the amount of food and treats to give each day.

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Discuss and decide on an exercise plan.

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Enlist the support of all family members to enforce the pet’s weight loss plan.

Addressing bumps in the road

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Ask open-ended questions to determine client’s perception of problems.

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Show empathy and concern. Acknowledge that weight management can be difficult and you are there to help.

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Propose strategies to address client concerns. To develop strategies, use the outline of possible problems and solutions in the 2014 AAHA Weight Management Guidelines for Dogs and Cats, and the “What Should I Do If ..?” client handout in this toolkit (page 21 and in the AAHA Download Center. aahanet.org/library/Weight_Management_Download_Center.aspx).

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Evaluate the current diet and treats, and determine whether modification is necessary.

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Suggested follow-up procedure

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Ask open-ended questions to encourage clients to share their observations and concerns. Provide positive reinforcement.

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At each visit, record weight, muscle condition score (MCS) and body condition score (BCS). Instructions for scoring are included in the 2010 AAHA Nutritional Assessment Guidelines for Dogs and Cats and in the AAHA Download Center. aahanet.org/library/Weight_Management_Download_Center.aspx

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Consider showing the client measurements of girth or abdominal circumference to emphasize losses.

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Take a picture. Create a chart to monitor and show progress.

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Calculate the rate of weight loss using the following formula: The percent rate of weight loss per week = (loss since last visit/weight at last visit  100/number of weeks since last weight measurement) The desired rate of weight loss is 1–2%/wk for dogs and 0.5–2%/wk for cats. For growing pets  1 year of age, adjust the plan. See previous comments about feeding for growth (page 6). Depending on the pet’s age, the focus may be to slow weight gain instead of causing weight loss.



Anticipate a possible slower rate of weight loss in patients with a comorbid condition, such as hyperadrenocorticism or hypothyroidism, until or unless their primary disease is addressed.



If MCS decreases, confirm adequate protein intake and evaluate for either too-rapid weight loss or a comorbid condition that intensifies catabolism (e.g., diabetes, renal disease, hyperthyroidism). Adjust intake to reduce the rate of weight loss. If the desired weight loss is achieved, congratulate the client and identify the next target weight.



If weight loss is greater than the desired rate, increase calories by 10% and monitor weight response.



Modify diet type and/or amount as necessary.



Discuss with the client the amount of food and treats to give each day.



Discuss and decide on an exercise plan.



Enlist the support of all family members to enforce the pet’s weight loss plan.

If weight loss is less than the desired rate



Evaluate compliance or other influences that may have tempered results and suggest alternatives.



If compliance is verified and there is no evidence of risk, reduce calories by 10–20% [to a minimum of 60% of Resting Energy Requirement (RER) for ideal weight] and/or change activity recommendations and identify the next benchmark.



Consult with or refer to a board-certified veterinary nutritionist for clients with pets requiring  60% RER to achieve weight loss.



Schedule the next weigh-in or telephone follow-up.

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Staff Roles and Responsibilities Doctors

Discuss the guidelines and toolkit at a doctor’s meeting. Write your practice’s protocol. Decide responsibilities for completing specific tasks and assign to doctors and technicians. With technicians, choose the dietary history/nutritional assessment form to be used (see the sample in the AAHA Download Center. aahanet.org/ library/Weight_Management_Download_Center.aspx).

Practice manager

Meet with doctors and technicians to discuss how the guidelines and the toolkit will be used. Save the completed protocol, and schedule periodic reviews/updates of it. Maintain an adequate supply of materials required to implement the guidelines in appropriate places, such as exam rooms and the reception desk. Plan team meetings for training and motivation. Track scheduling and follow up on reminders and appointments.

Technicians

With doctors, determine what tasks and procedures will be performed by technicians and what tasks and procedures will be performed by doctors. With the client, review the pet’s diet and medical history. With the client, review the weight management program and the services that will be provided. Show the client relevant educational materials. Perform between-exam weigh-ins as designated by the doctors. Follow up with the client via appropriate channels (e.g., email, phone) to check the pet’s status.

Client service representatives

Answer client questions, or let clients know who will be able to do so. Give clients relevant printed information at checkout. Review procedures that were performed, explaining the value of regular weight monitoring. At checkout, schedule follow-up appointments and the next weigh-in appointment. Emphasize that maintaining the pet’s ideal weight promotes the pet’s quality of life and longevity. Send reminders at appropriate times using the client’s preferred method (e.g., text, email, telephone, mail).

All practice team members

In a team meeting, discuss the 2014 AAHA Weight Management Guidelines for Dogs and Cats. Discuss how you will implement the guidelines and use the tools in this toolkit and the AAHA Download Center (available at: aahanet.org/library/ Weight_Management_Download_Center.aspx). Clarify each team member’s role. Discuss ways to educate and motivate clients to participate as your partner in their pet’s care and to accept your recommendations, and follow the guidelines with your own pets.

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Client Handouts These home care instructions are available at the AAHA Download Center. aahanet.org/library/Weight_Management_Download_Center.aspx

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r Life! o f y h lt a e H d ____ Fit an ____________ step for ______

e big first ns on taking th ing: eight loss! Congratulatio decide the follow thy, effective w al he n. We can help you h ug ro th management pla health ily in the weight on Get a head start

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Talking Points for Partnering with Clients Discussing weight 1. Open the conversation. xx Can we talk about Bella’s weight? xx What are your thoughts about Bella’s weight? 2. Build awareness of health issues without overloading the listener with details about disease. xx May I show you a diagram that illustrates the ideal weight for Bella? xx Your pet falls into this BCS (show them on the chart). xx There are several health issues that can arise in pets because of excess weight. For example, arthritis can be aggravated or diabetes can develop. 3. Assess client’s readiness to change. xx Would you be willing to discuss a weight management program for Bella? xx What are your thoughts about making changes to improve Bella’s weight? xx We can help you devise a weight management plan that is practical for you and your family when you are interested and ready. 4. Provide support and encouragement xx We know you love Bella very much. xx Weight loss programs can present some challenges, and we are here to help you through those. Assessing readiness to change Is your client ready to take on a weight loss program for his or her pet? Enhance the chances for success with these tips: yy Establish trust by using active listening skills and showing concern for the client and his or her pet. yy Use a collaborative approach to determine the client’s state of awareness about his or her pet’s weight and its health consequences. yy Ask questions to determine whether the client needs time to consider the information or is ready to take action to begin a weight loss program. yy Give clients time to think, but be aware that “thinking about it” may signal inability or unwillingness to follow your recommendation. yy Ask open-ended questions to elicit clients’ concerns about weight management. yy Schedule a subsequent visit to discuss weight management, encouraging other family members to attend.

Negotiating a mutual plan of action for changing feeding practices* yy Obtain the client’s beliefs and understanding about how their pet should be fed. yy Obtain the client’s viewpoint regarding the need to change feeding practices (e.g., perceived benefits, barriers, motivation to changing practices). yy Take into consideration the client’s beliefs, cultural background, lifestyle and abilities when formulating your plan for dietary modification. yy Elicit the client’s reactions and concerns about the proposed dietary modifications. Managing the process yy Prepare the client for the process. yy Explain what to expect for weight loss over time. yy Discuss hurdles that may arise and your partnership in tackling those hurdles. yy Provide client resources, such as an exercise or calorie tracking diary. yy Provide empathy and positive reinforcement. yy Explore client’s feelings/beliefs about the program. yy Give permission to fumble/fail with no judgments attached. yy Explain your willingness to change benchmarks if needed, and that weight management programs will be adapted to the client’s and pet’s individual needs (i.e., there is no “onesize-fits-all” approach).

Source: Churchill J. Increase the success of weight loss programs by creating an environment for change. Compend Cont Educ Vet 2010;32(12): E1–4. Used with permission. *Adapted from the Calgary-Cambridge Guides; Kurtz S, Silverman J, Draper J. Teaching and learning communication skills in medicine. 2nd ed. Oxford (UK): Radcliffe Publishing ; 2005; and Silverman J, Kurtz S, Draper J. Skills for communicating with clients. 2nd ed. Oxford (UK): Radcliffe Publishing; 2005. Used with permission.

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Weight Management Resources

From AAHA Press (press.aahanet.org) Dogs Lose Lbs! You Win! Slim Your Dog and Shape Up Yourself A great client handout. Buy this inexpensive, motivating booklet in bulk to encourage clients to focus on their dogs’ eating and exercise habits. The booklet helps clients set small, achievable goals with charts to track their progress. Available at: bit.ly/16MeZOW

Your Pet’s Diet & Exercise Plan Words fade fast. This brochure is a lasting reminder of key messages about pet obesity, diet, treats and exercise. It includes room to write the pet’s diet/exercise plan. Available at: bit.ly/174OLKT

From the PNA

AAHA Download Center

Helping Pets Live Healthier, Thinner Lives: AAHA Nutritional Assessment Guidelines

2014 AAHA Weight Management Guidelines for Dogs and Cats

This is an article by the Food and Drug Administration’s Center for Veterinary Medicine. It discusses pet nutrition and the AAHA Nutritional Assessment Guidelines for Dogs and Cats. Available at: bit.ly/18s52tL

2014 AAHA Weight Management Guidelines for Dogs and Cats Implementation Toolkit

Pet Owner Resources on Weight Management and Obesity

Download the whole toolkit, or just the tools you need:

This collection of links from many sources includes, among other resources, the following information:

aahanet.org/library/Weight_Management_Download_Center.aspx

2010 AAHA Nutritional Assessment Guidelines for Dogs and Cats

•• A model protocol. Fill in the form or distribute it for doctors to review before meeting to discuss your practice’s protocol •• A training tracker. This Excel spreadsheet includes two worksheets: a sample training tracker and a blank for each staff member. •• A weight management algorithm •• Model task checklists to customize for your practice •• A nutritional screening form (simple version) •• An extended nutritional assessment form •• An illustrated guide to the MCS •• An illustrated guide to the BCS •• The tip sheet, “Calculating a Pet’s Caloric Intake for Weight Management” •• The tip sheet, “Deciphering the Pet Food Label” •• The client handout, “Fit and Healthy for Life” •• The client handout, “Looking Good! Staying Fit!” •• The client handout, “What Should I Do If…?” •• Tabletop poster: Dog obesity •• Tabletop poster: Dog obesity (special version for AAHA accredited members only) •• Tabletop poster: Cat obesity •• Tabletop poster: Cat obesity (special version for AAHA accredited members only)

••“Weight Translator” tool ••Pet Nutrition in People Terms: Weight Gain ••BCS and MCS tools ••Article, “How Can I Tell if My Pet Is Overweight?” ••Client information sheets on weight management This resource is available at: bit.ly/16CCUiO.

Veterinary Resources on Weight Management and Obesity This collection of links from many sources includes, among many other resources, the following information:

••BCS and MSC tools ••Diet history and nutritional assessment forms ••Individualized feeding plan app/software ••Pet food label checklist for the exam room ••Food and treat list for the exam room ••Using “Healthy Weight Protocol” in the exam room This resource is available at: bit.ly/18sBqub.

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About AAHA—The American Animal Hospital Association is an international organization of nearly 6,000 veterinary care teams comprising more than 48,000 veterinary professionals committed to excellence in companion animal care. Established in 1933, AAHA is recognized for its leadership in the profession, its high standards for pet health care and most important, its accreditation of companion animal practices. For more information about AAHA, visit aahanet.org.

About the Pet Nutrition Alliance—When the American Animal Hospital Association (AAHA) made the decision to develop the AAHA Nutritional Assessment Guidelines for Dogs and Cats, AAHA also made the commitment to support the development of educational resources to increase compliance with all AAHA guidelines’ recommendations. The World Small Animal Veterinary Association (WSAVA) used the AAHA guidelines to develop the WSAVA Global Nutritional Assessment Guidelines. WSAVA has committed to developing tools to support this initiative globally. To promote the importance of nutrition in the health of pets worldwide, the following organizations have been working together on what has now become known as the Pet Nutrition Alliance (PNA): American Animal Hospital Association American Veterinary Medical Association American Academy of Veterinary Nutrition American College of Veterinary Nutrition American Society of Veterinary Medical Association Executives Canadian Veterinary Medical Association National Association of Veterinary Technicians in America World Small Animal Veterinary Association

This implementation toolkit is sponsored by a generous educational grant from Hill’s Pet Nutrition and Zoetis. This implementation toolkit was developed by the American Animal Hospital Association (AAHA) to provide information for practitioners regarding weight management for canines and felines. The information contained in this toolkit should neither be construed as dictating an exclusive protocol, course of treatment or procedure, nor should it be interpreted as an AAHA standard of care. ©2014 American Animal Hospital Association (aahanet.org). All rights reserved. Front cover photo: ©istock.com/akrp, ©istock.com/GlobalP. Back cover photo: ©istock.com/yykkaa