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Digestive kinetics of moose (Alces alces), wapiti (Cervus elaphus) and cattle

Published online by Cambridge University Press:  02 September 2010

L. A. Renecker  and
R. J. Hudson
L. A. Renecker
Affiliation:
Department of Animal Science, University of Alberta, Edmonton, Alberta T6G 2P5
R. J. Hudson
Affiliation:
Department of Animal Science, University of Alberta, Edmonton, Alberta T6G 2P5
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Abstract

Intake, rumen digesta pool sizes, ruminal digestion rates, passage rates of liquid and particle pools and faecal particle-size distrubutions of grass, browse and lucerne diets were compared in ruminally fistulated moose, wapiti and cattle. For each diet, ruminal digestion rates (nylon bag technique) were similar for the three ruminants. Intakes, rumen digesta pool sizes and passage rates varied among species and higher rates were associated with passage of larger faecal particles. However, it was not possible to simply rank the three ruminants as representative grazers (cattle), browsers (moose) and mixed feeders (wapiti) since intakes, passage rates and rumen pool sizes interacted with diet and season. Contrary to expectation, digestible dry matter intakes of each species were not greatest for their respective typical diets.

Keywords

Alces alcescattleCervus elaphusintakerumen digestion
Type
Research Article
Information
Animal Production , Volume 50 , Issue 1 , February 1990 , pp. 51 - 61
Copyright
Copyright © British Society of Animal Science 1990

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