Genetic evaluation of longevity in dairy cattle populations with small herds PDF Download
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Author: Janez Jenko
Publisher:
ISBN:
Category :
Languages : en
Pages : 264
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Book Description
Author: Janez Jenko
Publisher:
ISBN:
Category :
Languages : en
Pages : 264
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Book Description
Author: Hasan Khatib
Publisher: John Wiley & Sons
ISBN: 0470958596
Category : Science
Languages : en
Pages : 216
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Book Description
Livestock Epigenetics reviews advances in the understanding of the molecular basis of epigenetic mechanisms in gene expression in livestock species. Epigenetics impact many economically important traits from growth and development to more efficient reproduction and breeding strategies. The book opens with a broad introductory chapter that discusses the importance of an understanding of epigenetics to efficient and sustainable livestock production. In subsequent chapters the role of epigenetics in specific aspects of animal production are reviewed. The final chapter provides researchers with a valuable basis for the use of comparative epigenetics research to allow research to apply advances across organisms. Livestock Epigenetics provides detailed information on this rapidly expanding field of research with contributions from a global team of experts.
Author: Johannes Heise
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Longevity is an important trait in dairy cows, reflecting the overall functionality of a cow. The aim of this thesis was the development of a new model for the routine genetic evaluation of longevity in German Holsteins. To achieve this purpose, different studies were conducted. They are briefly summarized in the following: Chapter 1 provides the reader with background information on base principles of survival theory and on the frame conditions of routine genetic evaluations of longevity in German Holsteins. At the end, the necessity for a new routine evaluation system is defined. With the...
Author: Julius Van der Werf
Publisher:
ISBN: 9781786762986
Category : Cattle
Languages : en
Pages : 659
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Book Description
Author:
Publisher:
ISBN: 9789463430821
Category :
Languages : en
Pages : 188
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Book Description
![Genetic Evaluation of Longevity in Ayrshire and Jersey Dairy Cattle Using a Random Regression Model [microform] PDF](https://books.google.com/books/content/images/frontcover/q4quwgEACAAJ?fife=w80-h100)
Author: Fiona Galbraith
Publisher: National Library of Canada = Bibliothèque nationale du Canada
ISBN: 9780612906464
Category :
Languages : en
Pages : 118
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Book Description
Author: Jacobus Du Toit
Publisher:
ISBN:
Category : Dairy cattle
Languages : en
Pages : 182
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Book Description
Author: Michael J. Fields
Publisher: CRC Press
ISBN: 1000109844
Category : Nature
Languages : en
Pages : 385
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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.
Author: Paul Christou
Publisher: Springer
ISBN: 9781461457961
Category : Technology & Engineering
Languages : en
Pages : 1869
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Book Description
Gathering some 90 entries from the Encyclopedia of Sustainability Science and Technology, this book covers animal breeding and genetics for food, crop science and technology, ocean farming and sustainable aquaculture, transgenic livestock for food and more.
