Nutritional Ecology of the Ruminant
This monumental text-reference places in clear persepctive the importance of nutritional assessments to the ecology and biology of ruminants and other nonruminant herbivorous mammals. Now extensively revised and significantly expanded, it reflects the changes and growth in ruminant nutrition and related ecology since 1982.Among the subjects Peter J. Van Soest covers are nutritional constraints, mineral nutrition, rumen fermentation, microbial ecology, utilization of fibrous carbohydrates, application of ruminant precepts to fermentive digestion in nonruminants, as well as taxonomy, evolution, nonruminant competitors, gastrointestinal anatomies, feeding behavior, and problems fo animal size. He also discusses methods of evaluation, nutritive value, physical struture and chemical composition of feeds, forages, and broses, the effects of lignification, and ecology of plant self-protection, in addition to metabolism of energy, protein, lipids, control of feed intake, mathematical models of animal function, digestive flow, and net energy.Van Soest has introduced a number of changes in this edition, including new illustrations and tables. He places nutritional studies in historical context to show not only the effectiveness of nutritional approaches but also why nutrition is of fundamental importance to issues of world conservation. He has extended precepts of ruminant nutritional ecology to such distant adaptations as the giant panda and streamlined conceptual issues in a clearer logical progression, with emphasis on mechanistic causal interrelationships.Peter J. Van Soest is Professor of Animal Nutrition in the Department of Animal Science and the Division of Nutritional Sciences at the New York State College of Agriculture and Life Sciences, Cornell University.
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Ruminants in the World
Feeding Strategies Taxonomy and Evolution
Body Size and the Limitations of Ruminants
Plant Animal and Environment
The Freeranging Animal
Forage Evaluation Techniques
Microbes in the Gut
The Lower Gastrointestinal Tract
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acetate alfalfa amino acids ammonia amount anaerobic animal bacteria balance body weight butyrate capacity carbohydrate cattle cell wall cellulolytic cellulose components composition concentrate crude protein dairy degradation diet dietary fiber digestive tract dry matter effect efficiency energy enzymes equation estimated factors fatty acids feces feed intake fermentation Figure forage fraction gestibility glucose grasses grazing heat hemicellulose herbivores hydrogen increase indigestible ingested insoluble lactation legumes less lignified lignin limited lipids lower tract Maillard Maillard reaction maintenance marker measured metabolic methane microbial yield milk fat neutral-detergent nitrogen nonruminants nutrients nutritive omasum oxidation particles passage pectin phenolic plant cell wall problem production propionate protein rate of digestion relative requirements residue result rumen rumen bacteria rumen fermentation rumen organisms ruminants selectors sheep silage Soest soluble sources species starch substrate sugar Table tannins tion tissue tropical turnover urea values VFAs vitro