Comparative chewing efficiency in mammalian herbivores

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منابع مشابه

Comparative Chewing Efficiency in Mammalian Herbivores

J. Fritz and E. Kienzle, Inst. of Animal Physiology, Physiological Chemistry and Animal Nutrition, Faculty of Veterinary Medicine, LudwigMaximilians-Univ. of Munich, Germany. J. Hummel, Inst. of Animal Science, Univ. of Bonn, Germany. C. Arnold and C. Nunn, Dept of Anthropology, Peabody Museum, Harvard Univ., Cambridge, MA 02138, USA. M. Clauss ([email protected]), Clinic for Zoo Animal...

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Coprophagy in leporids and other mammalian herbivores

Leporids have long been known to reingest soft faeces. However, it was recently found that they regularly reingest hard faeces, too. During the daytime, both soft and hard faeces are defecated and all of the faeces are reingested. Excreted at night are the hard faeces, which are normally discarded but reingested in starvation. The separation mechanism in the proximal colon, which diverts fine p...

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Insect eggs suppress plant defence against chewing herbivores.

Plants activate direct and indirect defences in response to insect egg deposition. However, whether eggs can manipulate plant defence is unknown. In Arabidopsis thaliana, oviposition by the butterfly Pieris brassicae triggers cellular and molecular changes that are similar to the changes caused by biotrophic pathogens. In the present study, we found that the plant defence signal salicylic acid ...

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Supplement: coprophagy in leporids and other mammalian herbivores

In reviewing coprophagy (more precisely, reingestion: ingesting own faeces directly from the anus) in mammalian herbivores (Hirakawa, 2001), I stated that the Capybara (Hydrochaerus hydrochaeris) does not have a colonic separation mechanism, nor does it practise reingestion, following Hörnicke & Björnhag (1980). After publishing this article, Professor Ian Hume in Australia informed me that the...

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Animals translocate nutrients by consuming nutrients at one point and excreting them or dying at another location. Such lateral fluxes may be an important mechanism of nutrient supply in many ecosystems, but lack quantification and a systematic theoretical framework for their evaluation. This paper presents a mathematical framework for quantifying such fluxes in the context of mammalian herbivo...

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ژورنال

عنوان ژورنال: Oikos

سال: 2009

ISSN: 0030-1299,1600-0706

DOI: 10.1111/j.1600-0706.2009.17807.x