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E#ect of green tea grounds silage on feed intake and digestibility in lactating dairy

Item Feed intake, kg/day Dry matter Total digestible nutrents Crude protein Digestibility, ῍ Dry matter Organic matter Crude protein Ether extract Acid detergent fiber Neutral detergent fiber Energy Nutritive content Total digestible nutrents (῍DM) Digestible crude protein (῍DM) Digestible energy (MJ/kgDM) Metabolizable energy (MJ/kgDM)

Treatment

SEM

Probability

+24. +,4+ ,40

+4+ +4* *4,

*411, *4221 *40/.

014. 034/ 0.4/ 0.4/ ..4/ /+4, 014,

0.43 014+ /140+4. ..41 /*4* 0-41

+4, +4, ,41 ,4/ +4+4, +4-

*4,1+ *4-*2 *4*2+ *4.2/ *43-2 *4003 *4+1+

014* 34+,4/ +*42

004* 24* +,4+ +*4.

+4, *4*4*4-

*4/01 *4*01 *4-2. *4-*1

Control

Tea group

+24* +,4* ,4/

SEM : standard error of mean.

Table -. E#ect of green tea grounds silage on pH, protozoal number, ammonia-N and volatile fatty acids (VFA) in the rumen of lactating dairy cows Item pH Protozoal number (j+*//ml) Ophryoscolecids(j+*//ml) Isotrichids(j+*./ml) Ammonia-N (mg/l** ml) Total VFA (mmol/+** ml) VFA composition (mol῍) Acetic (A) Propionic (P) Butylic A/P ratio

Treatment Control

Tea group

SEM

Probability

04/

04.

*4+

*41+*

,4* +42 ,4* +*4/ +*4,

+4. +4*4/ 14+ +*43

*4/ *41 *4+ *43 *4-

*4.1+ *4.3/ *4*33 *4*,+ *4+/2

0/4+ +34, +,41 -4.

0/4/ +341 ++4/ -4-

*4. *4/ *4*4+

*4.,+ *4/++ *4*,/ *411.

SEM : standard error of mean. Ammonia-N : ammonia nitrogen.

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