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Surface enlargement in the rumen of free-ranging muskoxen (Ovibos moschatus)


Clauss, Marcus; Adamczewski, J; Hofmann, R R (2010). Surface enlargement in the rumen of free-ranging muskoxen (Ovibos moschatus). European Journal of Wildlife Research, 56(2):181-185.

Abstract

The intraruminal papillation pattern indicates the degree of rumen contents stratification, and is related to the feeding niche of a ruminant. Muskoxen (Ovibos moschatus) display a variety of morphophysiological adaptations typical for grazers. We investigated the intraruminal papillation of 22 free-ranging muskoxen from 5 different months, by comparing the surface enlargement factor both between seasons, and between individual rumen regions. The seasonal pattern of rumen papillation indicated a distinct seasonality in food quality. The intraruminal papillation indicated a moderate degree of rumen contents stratification typical for intermedate feeders. The nutritional ecology of muskoxen is characterized by specific morphophysiological adaptations to a grass-dominated diet that nevertheless allow extensive seasonal use of browse forage.

The intraruminal papillation pattern indicates the degree of rumen contents stratification, and is related to the feeding niche of a ruminant. Muskoxen (Ovibos moschatus) display a variety of morphophysiological adaptations typical for grazers. We investigated the intraruminal papillation of 22 free-ranging muskoxen from 5 different months, by comparing the surface enlargement factor both between seasons, and between individual rumen regions. The seasonal pattern of rumen papillation indicated a distinct seasonality in food quality. The intraruminal papillation indicated a moderate degree of rumen contents stratification typical for intermedate feeders. The nutritional ecology of muskoxen is characterized by specific morphophysiological adaptations to a grass-dominated diet that nevertheless allow extensive seasonal use of browse forage.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Veterinary Clinic > Department of Small Animals
Dewey Decimal Classification:570 Life sciences; biology
630 Agriculture
Date:2010
Deposited On:22 Mar 2010 16:18
Last Modified:08 Sep 2016 07:15
Publisher:Springer
ISSN:1439-0574
Additional Information:The original publication is available at www.springerlink.com
Publisher DOI:https://doi.org/10.1007/s10344-009-0301-4
Permanent URL: https://doi.org/10.5167/uzh-33062

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