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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.

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.

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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
Language:English
Date:2010
Deposited On:22 Mar 2010 16:18
Last Modified:13 May 2018 07:02
Publisher:Springer
ISSN:1439-0574
Additional Information:The original publication is available at www.springerlink.com
OA Status:Green
Publisher DOI:https://doi.org/10.1007/s10344-009-0301-4

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