SHORT COMMUNICATION
Bos indicus cattle can maintain feed intake and fat
reserves in response to heat stress better than
Bos taurus cattle
1
School of Veterinary and Biomedical Sciences, Murdoch University,
Murdoch, WA 6150, Australia
2
Department of Primary Industries, Werribee, VIC 3030, Australia
Publication date: 2004-08-30
J. Anim. Feed Sci. 2004;13(Suppl. 1):619-622
KEYWORDS
ABSTRACT
Bos indicus cattle are better adapted to tropical conditions than Bos taurus breeds and in part
this may be related to differences in lipid and carbohydrate metabolism during heat stress. Bos
indicus and Bos taurus cattle were subjected to heat stress and blood samples obtained to measure
metabolism. Heat stress decreased feed intake and increased plasma non-esterified fatty acids
(NEFA) in Bos taurus but not in Bos indicus cattle. Also, Bos indicus appear to be more insulin
resistant than Bos taurus cattle and this may explain some of the differences between breeds.
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| ISSN: | 1230-1388 |
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