Cow Weight And Milk Yield In Beef Production
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Cow Weight And Milk Yield In Beef Production
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Author :
language : en
Publisher:
Release Date : 1992
Cow Weight And Milk Yield In Beef Production written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
This study addressed the effects of increased cow weight and milk yield on both biological measurements and economic efficiency. Data were collected on 660 calvings of purebred Hereford, and small and large rotationally crossbred cows at the Elora Beef Cattle Research Centre between 1979 and 1983. Cows were housed in confinement and fed a silage based diet year round according to requirements for maintenance, milk production and growth. Cow weights and milk yields were recorded at six-week intervals after calving. Calves were fed a creep feed consisting of haylage and oats. Castrated male calves were placed in the research station feedlot facility shortly after weaning at approximately six months of age and fed corn silage and high moisture corn. Animals were marketed and carcass measurements taken when A1 finish had been reached. The use of electronic headgates allowed the feed intake of each cow and feedlot animal to be recorded. Creep feed intake was measured on a pen basis and feed intakes are reported as weight on a dry matter basis. In determining costs, diet composition was considered since feed prices depend on energy and protein content.
Cow Weight And Milk Yield In Beef Production
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Author : M. McMorris
language : en
Publisher:
Release Date : 1994
Cow Weight And Milk Yield In Beef Production written by M. McMorris and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Cows categories.
Cow Weight And Milk Yield In Beef Production
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Author : Ontario. Ministry of Agriculture and Food
language : en
Publisher:
Release Date : 1987
Cow Weight And Milk Yield In Beef Production written by Ontario. Ministry of Agriculture and Food and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
Principles Of Cattle Production
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Author : Henry Swan
language : en
Publisher: Butterworth-Heinemann
Release Date : 1976
Principles Of Cattle Production written by Henry Swan and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Technology & Engineering categories.
The structure of the british cattle industry. Syncronisation of oestrus and ovulation in cattle. Multiple ovulation, egg transplantation towards twinning. The physiological interrelationship os reproduction, lactation and nutrition in the cow. The influence of the climatic environment on metabolism in cattle. Energy supply from the digestive tract of cattle. Protein sysnthesis in the rumen: Its implication in the feeding of non-protein nitrogen to ruminants. Energy utilisation in the body. Amino acid supply as a limiting factor in milk and muscle synthesis. Nutritional influencing the efficiency of energy utilisation by beef and dairy cattle. Meeting the energy and protein requirements of the growting animal. Plane of nutrition for the dairy cow. Factors influencing voluntary food intake in cattle. Utilisation of grassland by dairy cows. Beef from grass and forage crops. Conserved forage - complement or competitor to concentrates. Selection for milk and beef characteristics - collateral or independent? The genetic implications of selecting cattle for large size. Practical beef cattle improvement. The future - milk versus beef or milk and beef.
Dairy Cattle And Milk Production
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Author : Clarence Henry Eckles
language : en
Publisher: New York : Macmillan
Release Date : 1956
Dairy Cattle And Milk Production written by Clarence Henry Eckles and has been published by New York : Macmillan this book supported file pdf, txt, epub, kindle and other format this book has been release on 1956 with Dairy cattle categories.
Cattle Feeding
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Author : John Bryn Owen
language : en
Publisher: Farming Press Limited
Release Date : 1991
Cattle Feeding written by John Bryn Owen and has been published by Farming Press Limited this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Technology & Engineering categories.
Dairy Cattle Production
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Author : Hans Otto Gravert
language : en
Publisher: Elsevier Science & Technology
Release Date : 1987
Dairy Cattle Production written by Hans Otto Gravert and has been published by Elsevier Science & Technology this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Science categories.
Dairy cattle is the main producer of animal protein for the nutrition of the world's population. For farmers, peasants and nomads it is one of the fundamental sources of income and subsistence. This volume covers the world distribution of dairy cattle; breeding and feeding as the basis of milk production; milk composition and sanitary and health aspects from the nutritional view point; and management of dairy herds and dairy cattle in the tropics as milk production systems. Illustrations and figures, tables and main references are included for each chapter. Related information on the domestication of dairy cattle can be found in World Animal Science Vol. A1, on production systems in Vol. A2, on physiology of milk production in Vol. A3, on animal genetics in Vol. A4, on ethology and behaviour in Vol. A5, and on grassland production in Vol. B1. The volume is intended for teachers of dairy husbandry and graduate students, scientists, and officers and advisors working in the field of dairy cattle and milk production.
Effect Of Environment On Nutrient Requirements Of Domestic Animals
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 1981-02-01
Effect Of Environment On Nutrient Requirements Of Domestic Animals written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981-02-01 with Science categories.
Principles Of Cattle Production 3rd Edition
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Author : Clive J C Phillips
language : en
Publisher: CABI
Release Date : 2018-11-02
Principles Of Cattle Production 3rd Edition written by Clive J C Phillips and has been published by CABI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-02 with Medical categories.
Completely updated and revised, this new edition continues to provide an introductory level text for all interested in beef and dairy cattle production systems. It presents a vision for a cattle industry that contributes to the environment, to the welfare of cattle and to the provision of safe and high quality food.
Nutrient Requirements Of Dairy Cattle
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2001-02-09
Nutrient Requirements Of Dairy Cattle written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-02-09 with Technology & Engineering categories.
This widely used reference has been updated and revamped to reflect the changing face of the dairy industry. New features allow users to pinpoint nutrient requirements more accurately for individual animals. The committee also provides guidance on how nutrient analysis of feed ingredients, insights into nutrient utilization by the animal, and formulation of diets to reduce environmental impacts can be applied to productive management decisions. The book includes a user-friendly computer program on a compact disk, accompanied by extensive context-sensitive "Help" options, to simulate the dynamic state of animals. The committee addresses important issues unique to dairy science-the dry or transition cow, udder edema, milk fever, low-fat milk, calf dehydration, and more. The also volume covers dry matter intake, including how to predict feed intake. It addresses the management of lactating dairy cows, utilization of fat in calf and lactation diets, and calf and heifer replacement nutrition. In addition, the many useful tables include updated nutrient composition for commonly used feedstuffs.