Economic Evaluation of Breeding Programs for Commercial Artificial Insemination Organizations in Dairy Cattle PDF Download
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Author: Jack C. M. Dekkers
Publisher:
ISBN:
Category :
Languages : en
Pages : 348
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Book Description
Author: Jack C. M. Dekkers
Publisher:
ISBN:
Category :
Languages : en
Pages : 348
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Book Description
Author:
Publisher:
ISBN:
Category : Dairy cattle
Languages : en
Pages : 132
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Book Description
Author: Jay L. Lush
Publisher: Read Books Ltd
ISBN: 1447497619
Category : Technology & Engineering
Languages : en
Pages : 594
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Book Description
First published in 1943, “Animal Breeding Plans” contains a detailed guide on animal breeding designed for students with experience of genetics, embryology, breeds, and stock judging. It aims to furnish the reader with a clear understanding of the means available for improving the heredity of farm animals, especially what each possible method will or will not do well. Highly recommended for modern farmers and animal breeders. Contents include: “Origin and Domestication of Farm Animals”, “Consequences of Domestication”, “Beginning of Pedigree Breeding Methods in the United States”, “History of Animal Breeding Methods in the United States”, “Relation of the Breed Association to Breed Improvement”, “Genetic Principles in Animal Breeding”, “Mendelian Basis of Inheritance”, etc. Many vintage books such as this are increasingly scarce and expensive. It is with this in mind that we are republishing this volume now in an affordable, modern, high-quality edition complete with a specially-commissioned new introduction on farming.
Author: H. H. Van Horn
Publisher: American Dairy Science Association
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 848
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Book Description
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Organization of the UN (FAO)
ISBN:
Category : Science
Languages : en
Pages : 272
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Book Description
These guidelines present the basic concepts involved in the development and implementation of in vivo conservation plans for animal genetic resources for food and agriculture. The guidelines are intended for use by policy-makers in the management of animal genetic resources, managers of animal breeding organizations, persons responsible for training in management of animal genetic resources and any other stakeholders with leading roles in designing and implementing in vivo conservation programmes for animal genetic resources. Although individual breeders and livestock keepers are not the direct target audience, the guidelines include background information that is relevant for all stakeholders involved in planning conservation programmes.
Author: Dixon D. Hubbard
Publisher:
ISBN:
Category : Beef
Languages : en
Pages : 84
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Book Description
Author: Milad Manafi
Publisher:
ISBN: 9789535164340
Category :
Languages : en
Pages : 314
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Book Description
Artificial insemination is used instead of natural mating for reproduction purposes and its chief priority is that the desirable characteristics of a bull or other male livestock animal can be passed on more quickly and to more progeny than if that animal is mated with females in a natural fashion. This book contains under one cover 16 chapters of concise, up-to-date information on artificial insemination in buffalos, ewes, pigs, swine, sheep, goats, pigs and dogs. Cryopreservation effect on sperm quality and fertility, new method and diagnostic test in semen analysis, management factors affecting fertility after cervical insemination, factors of non-infectious nature affecting the fertility, fatty acids effects on reproductive performance of ruminants, particularities of bovine artificial insemination, sperm preparation techniques and reproductive endocrinology diseases are described. This book will explain the advantages and disadvantages of using AI, the various methodologies used in different species, and how AI can be used to improve reproductive efficiency in farm animals.
Author: Anne Chamberlain
Publisher: Longman Publishing Group
ISBN:
Category : Business & Economics
Languages : en
Pages : 260
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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: Bhanu P. Chowdhary
Publisher: S. Karger AG (Switzerland)
ISBN:
Category : Medical
Languages : en
Pages : 376
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Book Description
This publication provides an update on the current status of gene maps in different livestock and pet/companion animal species. The findings summarized in species specific commentaries and original articles testify the rapid advances made in the field of animal genomics. Of significant interest is the fact that current investigations are providing headways for two important and exciting research fronts: targeted high-resolution mapping leading to the application of genomic information in addressing questions of economic and biological significance in animals, and the initiation of whole genome sequencing projects for some of the animal species. Like in humans and mice, this will set the stage for a new level of research and real time complex analysis of the genomes of these species. Animal Genomics signifies the beginning of a new era in this field and celebrates the achievements of the past 20 years of genomics research. It will be of special interest to researchers involved in genome analysis - both gross chromosomal as well as molecular - in various animal species, and to comparative and evolutionary geneticists.
