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Particle retention in the forestomach of a browsing ruminant, the roe deer capreolus capreolus


Clauss, Marcus; Lechner-Doll, Matthias; Behrend, Anke; Lason, Karin; Lang, Denise; Streich, Wolf J (2001). Particle retention in the forestomach of a browsing ruminant, the roe deer capreolus capreolus. Acta Theriologica, 46(1):103-107.

Abstract

A combination of a flotation/sedimentation experiment and sieve analysis for the reticulorumen (RR) contents of roe deer Capreolus capreolus Linnaeus, 1758, a browsing ruminant, showed that there was no correlation between particle size and particle density. Large particles were present in both the sedimented and the buoyant fraction, which is in accord with the reported absence of stratification of RR contents in browsing ruminants. Comparative sieve analysis of roe deer RR and caecal/rectal material demonstrated that there must be some selective particle retention in the browsing ruminant as well, as a certain fraction of large particles in RR contents does not occur in the caecal/rectal material. These results lead to the explanatory dilemma that, while selective particle retention is observed, it cannot be due to the mechanisms known to work in grazing ruminants.

A combination of a flotation/sedimentation experiment and sieve analysis for the reticulorumen (RR) contents of roe deer Capreolus capreolus Linnaeus, 1758, a browsing ruminant, showed that there was no correlation between particle size and particle density. Large particles were present in both the sedimented and the buoyant fraction, which is in accord with the reported absence of stratification of RR contents in browsing ruminants. Comparative sieve analysis of roe deer RR and caecal/rectal material demonstrated that there must be some selective particle retention in the browsing ruminant as well, as a certain fraction of large particles in RR contents does not occur in the caecal/rectal material. These results lead to the explanatory dilemma that, while selective particle retention is observed, it cannot be due to the mechanisms known to work in grazing ruminants.

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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
Uncontrolled Keywords:Capreolus capreolus forestomach digestive physiology retention mechanism
Language:English
Date:2001
Deposited On:10 Nov 2008 13:31
Last Modified:07 Sep 2016 08:42
Publisher:Mammal Research Institute, Polish Academy of Sciences
ISSN:0001-7051
Publisher DOI:10.1007/BF03192422
Related URLs:https://biblio.uzh.ch/F/?local_base=UZH01&con_lng=GER&func=find-b&find_code=SYS&request=000127096
Permanent URL: http://doi.org/10.5167/uzh-3492

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