Grazing animals
著者
書誌事項
Grazing animals
（World animal science, B,
Elsevier Scientific Pub. Co., 1981
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注記
Includes bibliographies and index
内容説明・目次
内容説明
A detailed study of grasslands and the management and investigation of grazing systems for animal production. The twenty-one chapters have been written by internationally recognized experts from Australia, the USA, the United Kingdom and New Zealand, and cover four main areas of interest. The first group of chapters is concerned with the evolution and ecology of grasslands and the behaviour of grazing animals. The second group deals in considerable depth with the intake of food and the nutritional value of different kinds of grassland (tropical, temperate and mediterranean), covering the most important `tame' pastures. Arctic and multiple-purpose grazing are then discussed with emphasis on the social factors governing the use of resources. The following nine chapters deal with animal production technologies and management, including forage crops, fertilizer use, supplements for grazing animals, drought, detrimental substances in plants, and computer modelling of grazing systems. The final chapter integrates all this information and discusses the management of grazing systems, including decisions about subjects such as stocking rate and subdivision.
目次
General Preface. Preface to Volume B1. 1. Evolution of Grazing Systems (O.B. Williams). 2. The Ecology of Grazed Pastures (R.W. Snaydon). 3. Cycling of Plant Nutrients in Pastures (A.R. Till). 4. Pasture Growth under Grazing (P.J. Vickery). 5. Grazing Behaviour (G.W. Arnold). 6. The Control of Food Intake by Grazing Animals (M. Freer). 7. The Feeding Value of Temperate Pastures (M.J. Ulyatt). 8. Nutritional Differences between Tropical and Temperate Pastures (D.J. Minson). 9. Nutritional Value of Mediterranean Pastures (D.B. Purser).10. Grazing Arid and Semi-Arid Pastures (G.N. Harrington). 11. Grazing in Tundra and Northern Boreal Environments (R.J. Hudson). 12. Multiple Uses of Rangelands (H.F. Heady). 13. Complementing Grassland with Forage Crops (J.L. Wheeler). 14. Nitrogen Supply and Animal Production from Pastures (J.R. Simpson, T.H. Stobbs#). 15. Energy and Protein Supplements for Grazing Livestock (W.G. Allden). 16. Testing and Improvement of Pasture Species (J. Hodgson). 17. Utilization of Low-Quality Residues (J.B. Coombe). 18. Management and Feeding of Grazing Animals during Drought (D.G. Saville). 19. Detrimental Substances in Plants Consumed by Grazing Ruminants (I.W. McDonald). 20. Simulation of Grazing Systems (K.R. Christian). 21. Management of Grazing Systems (F.H.W. Morley). List of Contributors-Biographical Notes. Subject Index.
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