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Asian-Australas J Anim Sci > Volume 15(8); 2002 > Article
Animal Breeding and Genetics
Asian-Australasian Journal of Animal Sciences 2002;15(8): 1134-1138.
DOI: https://doi.org/10.5713/ajas.2002.1134    Published online January 1, 2002.
Effects of Intraruminal Isopropyl Alcohol Infusions on the Ruminating Behavior of Goats
N. Asato, T. Hirata, T. Hirayama, R. Onodera, A. Shinjo, S. Oshiro
Abstract
Isopropyl alcohol (IPA), produced from acetone by rumen bacterial action, was infused into the rumen of three female goats kept in a climatically controlled experimental room during feeding to investigate the mechanism and roles of IPA in ruminating behavior (number of boli and ruminating time). The ruminating behavior measured by the number of boli, ruminating time, number of remastications, and remasticating time increased (p<0.05) with intraruminal IPA infusion. The concentrations of IPA and acetone in the rumen and the plasma significantly increased (p<0.05) during intraruminal IPA infusion. These data suggest that rumination receptors sensitive to IPA and acetone may be in an area such as the rumen epithelium and the brain stem where they can respond to metabolite levels.
Keywords: IPA; Acetone; Rumination; Intraruminal Infusion; Goats


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