Seasonal changes in serum oxidative stress biomarkers in dairy and ...

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Nov 14, 2017 - Department of Hygiene and Preventive Medicine, School of Medicine, Showa ... feedlot cattle during the final phase of the feeding period [27].
Advance Publication

The Journal of Veterinary Medical Science Accepted Date: 5 Nov 2017 J-STAGE Advance Published Date: 14 Nov 2017

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FULL PAPER

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Internal Medicine

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Seasonal changes in serum oxidative stress biomarkers in dairy and beef cows in a

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daytime grazing system

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Ahmad Nawid MIRZAD1, 2)#, Takashi TADA3)#, Hitoshi ANO3), Ikuo KOBAYASHI4),

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Takenori YAMAUCHI5), Hiromu KATAMOTO3)*

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1)

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Kihara, Kiyotake, Miyazaki 889-1692, Japan

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2)

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Afghanistan

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3)

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Miyazaki, 1-1, Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan

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4)

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Miyazaki, Japan

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5)

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University, 1-5-8, Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan

Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, 5200,

Faculty of Veterinary Sciences, Balkh University, Mazar-e-Sharif 1701, Balkh,

Laboratory of Veterinary Internal Medicine, Faculty of Agriculture, University of

Sumiyoshi Livestock Science Station, University of Miyazaki, 10100-1, Shimanouchi,

Department of Hygiene and Preventive Medicine, School of Medicine, Showa

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Running head: OXIDATIVE STRESS BIOMARKERS IN CATTLE

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These authors contributed equally to this work.

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*CORRESPONDENCE TO: Katamoto, H., Laboratory of Veterinary Internal

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Medicine, Faculty of Agriculture, University of Miyazaki, 1-1, Gakuen kibanadai-nishi,

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Miyazaki 889-2192, Japan.

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Fax: +81-985-58-7277, e-mail: [email protected]

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ABSTRACT

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This study aims to evaluate the oxidative stress during hot summer season using

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serum oxidative stress biomarkers and elucidate the effects of serum antioxidant

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vitamin levels in dairy and beef cows in a daytime grazing system. Blood samples

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were collected once a month from eight Holstein Friesian (HF) and 10 Japanese Black

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(JB) cows from November 2013 to October 2014. Serum values of derivatives of

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reactive oxygen metabolites (d-ROMs) tended to be higher in March in both breeds

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and those in HF cows were kept at higher (P