Modeling Ruminant Digestion and Metabolism, R.L. Baldwin

Автор: Harinder P.S. Makkar; Christopher S. McSweeney
Название: Methods in Gut Microbial Ecology for Ruminants
ISBN: 9048169666 ISBN-13(EAN): 9789048169665
Издательство: Springer
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Описание: Asaresultofvarioushumanactivities,suchasincreaseinhumanpopulation,decrease in arable land due to soil degradation, urbanization, industrialization and associated increase in the demand for livestock products, dramatic changes are occurring in the global ruminant livestock sector.

Автор: Y. Ruckebusch; P. Thivend
Название: Digestive Physiology and Metabolism in Ruminants
ISBN: 9401180695 ISBN-13(EAN): 9789401180696
Издательство: Springer
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Описание: About 60% of the world`s meat and 80 % of the milk are produced by one third of the world ruminant population in the developed regions and as much as 99 % of the power for agriculture is provided by the ruminant population in developing countries.

Автор: Richard T. Wilson
Название: Ecophysiology of the Camelidae and Desert Ruminants
ISBN: 3642744850 ISBN-13(EAN): 9783642744853
Издательство: Springer
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Автор: E.R. Orskov
Название: Energy Nutrition in Ruminants
ISBN: 9401068232 ISBN-13(EAN): 9789401068239
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Описание: This book is intended to be a companion volume to `Protein Nutrition in Ruminants` (1982, Academic Press), which emphasized both the role of proteins and new systems for their evaluation. I have first considered the nutrition of the newborn and have stressed the role of behaviour `in determining whether nutrients enter or bypass the rumen.

Автор: Harinder P.S. Makkar; Philip E. Vercoe
Название: Measuring Methane Production from Ruminants
ISBN: 904817547X ISBN-13(EAN): 9789048175475
Издательство: Springer
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Описание: The world's livestock sector is amidst a major transformation, fuelled by high demand for meat and milk, which is likely to double over the next two decades in developing countries. The major driving force behind this demand for livestock products is a combination of population growth, urbanization and income growth, especially in developing countries. The challenge is to enhance animal productivity without adversely affecting the environment. A key to this is reducing methane emissions from ruminants. The major limitation to ruminant production in many tropical regions of Africa, Asia and Latin America, where a large proportion of the global ruminant population is located, is poor nutrition. The productivity of animals is restricted by the low nitrogen and high fibre content of the native grasses and crop residues, which form the basis of the diets in these regions. Animals on these types of diets emit more methane than animals fed better quality temperate forages. These methane emissions represent a loss of digestible energy to the animal (up to 15%) as well as a threat to the environment. Reducing methane production by ruminants could improve their productivity, provided the efficiency of ruminal metabolism is not compromised, and reduce their contribution to greenhouse gas emissions. The challenge is to devise nutritional strategies and identify dietary components, particularly from locally available plant resources, that reduce methane emissions.