Quick Search:

uzh logo
Browse by:


Zurich Open Repository and Archive

Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-18130

Clauss, M; Fritz, J; Bayer, D; Hummel, J; Streich, W J; Südekum, K H; Hatt, J M (2009). Physical characteristics of rumen contents in two small ruminants of different feeding type, the mouflon (Ovis ammon musimon) and the roe deer (Capreolus capreolus). Zoology, 112(3):195-205.

Accepted Version
View at publisher
[img] PDF - Registered users only


In domestic ruminants, the stratification of forestomach contents – the results of flotation and sedimentation processes - is an important prerequisite for the selective particle retention in this organ. A series of anatomical and physiological measurements suggests that the degree of this stratification varies between browsing and grazing wild ruminants. We investigated the forestomach contents of free-ranging mouflon and roe deer shot during regular hunting procedures. There was no difference between the species in the degree by which forestomach ingesta separated according to size due to buoyancy characteristics in vitro. However, forestomach fluid of roe deer was more viscous than that of mouflon, and no difference in moisture content was evident between the dorsal and the ventral rumen in roe deer, in contrast to mouflon. Hence, the forestomach milieu in roe deer appears less favourable for gas or particle separation due to buoyancy characteristics. These findings are in accord with notable differences in forestomach papillation between the species. In roe deer, particle separation is most likely restricted to the reticulum, whereas in mouflon, the whole rumen may pre-sort particles to a higher degree. The results suggest that differences in forestomach physiology may occur across ruminant species.


19 citations in Web of Science®
17 citations in Scopus®
Google Scholar™



189 downloads since deposited on 13 Apr 2009
96 downloads since 12 months

Detailed statistics

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
Deposited On:13 Apr 2009 11:58
Last Modified:30 Oct 2014 15:46
Publisher DOI:10.1016/j.zool.2008.08.001

Users (please log in): suggest update or correction for this item

Repository Staff Only: item control page