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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-3426

Clauss, M; Fröschle, T; Castell, J C; Hummel, J; Hatt, J M; Ortmann, S; Streich, W J (2005). Fluid and particle retention times in the black rhinoceros (diceros bicornis), a large hindgut-fermenting browser. Acta Theriologica, 50(3):367-376.

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The mean retention time (MRT) of ingesta in the gastrointestinal tract is one of the major determinants of herbivore digestive physiology. We examined MRTs of fluids and particles in the gastrointestinal tract of six adult captive black rhinoceroses (Diceros bicornis) on conventional zoo diets. Fluid MRT ranged from 25-45 h and averaged 31 h; particle MRT ranged from 28-59 h and averaged 38 h. In the six animals, both fluid and particle MRT declined as relative dry matter intake (g/kg metabolic body mass) increased. Black rhinoceroses, which are large hindgut-fermenting browsers, retained ingesta for a shorter period relative to their body size than grazing equids or grazing rhinoceros species. Our findings support the hypothesis that browsing hindgut fermenters have relatively shorter MRTs than grazing hindgut fermenters.


12 citations in Web of Science®
13 citations in Scopus®
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148 downloads since deposited on 18 Nov 2008
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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
Deposited On:18 Nov 2008 08:08
Last Modified:05 Apr 2016 12:26
Publisher:Mammal Research Institute, Polish Academy of Sciences
Publisher DOI:10.1007/BF03192632
Official URL:http://www.ingentaconnect.com/content/mripas/at/2005/00000050/00000003/art00006
Related URLs:https://biblio.unizh.ch/F/?local_base=UZH01&con_lng=GER&func=find-b&find_code=SYS&request=000127096

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