Estimates of Genetic, Environmental and Phenotypic Parameters in the Canadian Record of Performance Beef Cattle Population PDF Download
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Author: Brian Wayne Kennedy
Publisher:
ISBN:
Category : Beef cattle
Languages : en
Pages : 500
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Book Description
Author: Brian Wayne Kennedy
Publisher:
ISBN:
Category : Beef cattle
Languages : en
Pages : 500
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Book Description
Author: Edward Patrick Cunningham
Publisher:
ISBN:
Category : Beef cattle
Languages : en
Pages : 348
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Book Description
Author: Dixon D. Hubbard
Publisher:
ISBN:
Category : Beef
Languages : en
Pages : 84
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Book Description
Author: Henning Steinfeld
Publisher: Food & Agriculture Org.
ISBN: 9789251055717
Category : Business & Economics
Languages : en
Pages : 418
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Book Description
"The assessment builds on the work of the Livestock, Environment and Development (LEAD) Initiative"--Pref.
Author: Joel Ira Weller
Publisher: Springer Science & Business Media
ISBN: 9780412597503
Category : Technology & Engineering
Languages : en
Pages : 280
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Book Description
This important book covers economic evaluation of genetic differences in animals, determination of breeding goals within an economic context and economic evaluation of breeding programs. During the last 50 years there have been great advances made in the breeding of domesticated animal species. Most of this work has been achieved through the efforts of geneticists, and often the economic goals of such advances have not been clearly evaluated. Economic Aspects of Animal Breeding redresses the balance and provides a much needed synthesis of this most important subject. The book is divided into five sections: basic concepts; economic evaluation of genetic differences; advanced topics in selection indices; economic evaluation of breeding programs, including biotechnological aspects; crossbreeding and heterosis.
Author:
Publisher:
ISBN:
Category : Livestock
Languages : en
Pages : 814
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Book Description
Author: Michael J. Fields
Publisher: CRC Press
ISBN: 100015288X
Category : Nature
Languages : en
Pages : 414
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Book Description
Factors Affecting Calf Crop summarizes the latest information available from leading cattle physiologists and geneticists regarding factors known to influence the production of live calves at weaning. You get practical information on management techniques for improving reproduction efficiency in the herd. You'll also learn about the functioning of the reproductive system and how this may affect reproductive processes in the cow herd. Managers will benefit from a clearer understanding of the factors known to limit efficient reproduction, while veterinarians and other professionals who advise cattlemen will appreciate the substantial reference material and color photographs for defining cow condition scores. Color photographs are also used to illustrate the discussions of testicular thermographies and their applications. Other chapters in the book cover developments in improving reproductive performance of the replacement heifer, the brood cow, and the bull. Topics on reproduction include physiology/endocrinology, the use of growth promotants, genetics and physiological and economic considerations in selecting the age to breed heifers, heritability of fertility, length of the breeding season, prepartum and postpartum nutrition, nursing by the calf, cloning of embryos, and much more.
Author: Kyōto Daigaku. Nōgakubu
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 462
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Book Description
Author:
Publisher:
ISBN:
Category : Animal industry
Languages : en
Pages : 888
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Book Description
Author:
Publisher:
ISBN:
Category : Biology
Languages : en
Pages : 812
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Book Description
Each issue of Transactions B is devoted to a specific area of the biological sciences, including clinical science. All papers are peer reviewed and edited to the highest standards. Published on the 29th of each month, Transactions B is essential reading for all biologists.
