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A comprehensive and thoroughly revised text on dairy science that contains information on the most recent developments The fully updated third edition of Understanding the Dairy Cow explores the scientific principles that provide a foundation for understanding the animal's body system. The comprehensive text also reveals how to properly manage dairy cattle with economic efficiency whilst taking into consideration the cow's welfare. The revised new edition contains expanded coverage on topics including insight into cow behaviour and welfare, genetic selection indices, new strategies for control…mehr
A comprehensive and thoroughly revised text on dairy science that contains information on the most recent developments The fully updated third edition of Understanding the Dairy Cow explores the scientific principles that provide a foundation for understanding the animal's body system. The comprehensive text also reveals how to properly manage dairy cattle with economic efficiency whilst taking into consideration the cow's welfare. The revised new edition contains expanded coverage on topics including insight into cow behaviour and welfare, genetic selection indices, new strategies for control of mastitis and lameness and information on the overworked cow. It also contains the most recent developments in breeding, nutrition and management. * Is an authoritative text on the dairy cow that covers a wide-ranging subject area including the science, disease and husbandry * Presents the information and knowledge necessary for the efficient and humane management of cows * Includes expanded coverage on a variety of topics such as cow behaviour and welfare, and genetic selection indices * Highlights major new developments in the field Covering both the basics and recent developments in dairy science, Understanding the Dairy Cow 3rd Edition is ideal for students in agriculture and veterinary science and for professionals working in the complex business of dairy farming.
About the Author JOHN WEBSTER, MA, Vet MB, PhD, DVM (Hon), MRCVS, is Emeritus Professor of Animal Husbandry in the School of Veterinary Science at the University of Bristol, Bristol, UK.
Inhaltsangabe
Acknowledgements xiii
Preface to the Third Edition xiv
About the Companion Website xvi
Part I How the Cow Works 1
1 Introduction - The Dairy Cow of Today 3
Milk as Food 6
Nutrient Supply 7
Healthy Digestion 8
Taste and Appetite 9
Do no Harm 9
Biological Efficiency of Milk Production 10
Milk Production: Species and Breed Comparisons 11
Efficiency of Feed Conversion to Milk, Eggs and Meat: Competitive and Complementary Feeds 12
Behaviour and Welfare 14
2 Digestion and Metabolism 18
Structure of the Digestive Tract 18
Eating and Rumination 22
Grazing 22
Salivation 23
Rumen Movements 23
Rumination 25
Digestion 26
Fermentation of Carbohydrates in the Rumen 28
Utilization of Metabolizable Energy for Maintenance and Production 31
