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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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Abstract

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.

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Veterinary Clinic > Department of Small Animals > Clinic for Zoo Animals, Exotic Pets and Wildlife
DDC:570 Life sciences; biology
630 Agriculture
Language:English
Date:2005
Deposited On:18 Nov 2008 09:08
Last Modified:27 Nov 2013 21:53
Publisher:Mammal Research Institute, Polish Academy of Sciences
ISSN:0001-7051
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
Citations:Web of Science®. Times Cited: 12
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