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OJVRTM
Online Journal of Veterinary Research©
Volume 24(9): 542-547,
2020.
Effect of tannic acid milk
supplement on performance and
digestibility in Simmental calves
Arash Yadollahi1, Mehran Aboozari3, Reza Alipoor Filabadi4, Javad
Kolaji*5
1- Agricultural
Engineering Organization, IAO, 2- Department(s) of Animal Sciences, Faculty of
Agriculture, Shahrekord branch, Islamic Azad
University, Shahrekord, 3Faculty of Agriculture, Abhar Branch, Islamic Azad University, Abhar,
4-Department of Veterinary
laboratory Science, Tabriz University.Tabriz Iran
ABSTRACT
Yadollahi A, Aboozari
M, Filabadi RA, Kolaji J.,
Effect of tannic acid milk supplement on performance and digestibility in Simmental calves,
Onl J Vet Res., 24(9): 542-547, 2020. We report effect of tannic acid supplement in
milk on performance and nutrient digestibility in Simmental calves. Four groups
of ten 10 day old Simmental calves were supplemented 2.5, 5 and 10g tannic acid/L
milk for 60 days. We determined effect of tannic acid on feed intake, weight
gain, conversion, digestibility and fecal consistency. Our results suggest that 5-10% tannic acid supplement daily for 60 days
in Day old calves slightly improved feed intake (~4%), body weight gain (~12%)
and feed conversion (~13%). We found no effect of tannic acid on digestibility
of organic, crude matter or fiber content of feed given to calves. Compared
with controls we found ~20% improvement in fecal consistency in calves given
10% tannic acid (P≤0.05).
Key
words: Digestibility,
Semintal calves, Fecal
consistency, Performance, Tannic acid.
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