D. J. Chivers, P. Langer's The Digestive System in Mammals: Food Form and Function PDF

By D. J. Chivers, P. Langer

ISBN-10: 0521440165

ISBN-13: 9780521440165

Besides the fact that good the anatomy of the gastrointestinal tracts of a variety of mammals are defined and quantified, there should be no actual rationalization of saw styles with out attention of the mechanical and chemical homes of the nutrients fed on, and digestive levels taken with its processing. This publication goals to combine findings from the various types of investigations of mammalian digestive structures right into a coherent complete. utilizing the topics of meals, shape and serve as, researchers talk about versions of digestive approaches, linking this with evolutionary facets of meals usage. Macroscopic and ultrastructural reports of the gastrointestinal tract also are awarded, as are physiological, ecological and biochemical facets of the digestion of other meals forms. The e-book ends with an integrative bankruptcy, bringing jointly the topics working throughout the prior sections.

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Extra resources for The Digestive System in Mammals: Food Form and Function

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S. Campbell & M. E. Backworth, pp. 159-167. Washington, DC: Smithsonian Institution Press, van Soest, P. J. (1982). Nutritional Ecology of the Ruminant. Corvallis, OR: O. & B. Books. Werner, C. F. (1961). Wortelemente lateinisch-griechischer FachausdrUcke in den biologischen Wissenschaften, 2 Aufl. Leipzig: Akademische Verlagsgesellschaft Geest und Portig. Williams, O. B. (1981). Evolution of grazing systems. In Grazing Animals, ed. F. H. W. Morley, pp. 1-12. Amsterdam: Elsevier Scientific. Wing, S.

If outflow is turbulent or is contaminated), outflow samples may not be representative and hence concentration values cannot be transformed into the fraction of total marker defecated. In animals, such as birds and reptiles, where urine and faecal materials are mixed in the cloaca, for example, the concentration curve cannot be directly transformed into a frequency distribution of retention times. tE(t)dt = mean residence time = where E is the density function for residence time and Ex{t^ is the discrete form of this density function.

Karasov c 20 CD O 40 60 80 c 1 100 200 300 Time after dose (h) Fig. 7. Retention time distribution of markers for several species. (n)Ruid marker ([3H] polyethylene glycol for a, b and [51Cr] labelled EDTA for c, d and e). (•) Paniculate marker ([103RU] labelled phenanthroline (103Ru-phen). Details of the interpretation of these distribution are provided in the text. Modelling gut function 43 flow system with significant axial mixing. Most of the components of a meal stay together but some mixing occurs causing the expected pulse of marker to be skewed to the right.

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The Digestive System in Mammals: Food Form and Function by D. J. Chivers, P. Langer

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