Population Genetics in Animal Breeding
(Sprache: Englisch)
This book attempts to outline population genetics and quantitative ge netics as they pertain to animal breeding and to discuss the theoretical aspects of this field of agricultural activity. Therefore, it brings into focus the basic principles of animal...
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Klappentext zu „Population Genetics in Animal Breeding “
This book attempts to outline population genetics and quantitative ge netics as they pertain to animal breeding and to discuss the theoretical aspects of this field of agricultural activity. Therefore, it brings into focus the basic principles of animal breeding, which are illustrated with per tinent examples; however, it is not intended to give recommendations for particular situations. Since the first edition, considerable development has occurred both in the basic and in the more applied fields. This has modified and in some cases even changed previously held conceptions, necessitating a thorough revision of the first edition. The extent of work in this sphere has reached dimensions which preclude exhaustive discussion of all its aspects in a volume of this size. Nevertheless it is hoped that this introductory text will stimulate the reader to explore the subject in greater depth and inspire study of the original literature. It is further hoped that my teaching experience has had some no ticeable impact on style and presentation. lowe much to constructive critical comments on the first edition. I am grateful to Dr. D. L. Frape for his help in changing my own translation into readable English. M. Asbeck and E. Fuchshuber have completed an admirable job in typing my handwritten script and A. Pickal accomplished the careful drawing of fresh illustrations.
Inhaltsverzeichnis zu „Population Genetics in Animal Breeding “
1. Genetic Structure of Populations.- 1.1. Gene Frequencies.- 1.2. Genetic Equilibrium.- 1.3. Multiple Loci.- 1.4. Sex Linkage.- 1.5. Estimation of Gene Frequency.- 2. Changes in Gene Frequency.- 2.1. Mutation.- 2.2. Migration.- 2.3. Selection.- 2.3.1. Equilibria under Selection.- 2.4. Random Drift.- 3. Inbreeding.- 4. Quantitative Genetics.- 4.1. Gene Effects.- 4.2. Variances.- 5. Repeatability.- 6. Heritability.- 6.1. Likeness of Relatives.- 6.2. Estimation of Heritability.- 6.3. Realized Heritability.- 6.4. Maternal Influences.- 6.5. Variance of Heritability.- 6.6. General Remarks about Heritability.- 7. Genetic Correlations.- 7.1. Variance of Genetic Correlations.- 8. Genotype-Environment Interaction.- 9. Selection.- 9.1. Goals of Selection.- 9.2. Influence of Selection on the Genic Variance.- 9.3. Changes in Gene Frequency by Selection.- 9.4. Indirect Selection.- 9.5. Selection for Several Traits.- 10. Aids to Selection.- 10.1. Repeated Records.- 10.2. Pedigree Evaluation.- 10.3. Progeny Testing.- 10.3.1. Methods of Progeny Testing.- 10.3.2. Accuracy of Progeny Testing.- 10.4. Sib and Family Testing.- 11. Selection Index.- 11.1. Information from Different Individuals or Different Traits for Estimating Breeding Values of Single Traits.- 11.2. Estimation of Aggregate Genotype.- 11.3. Stepwise Selection.- 12. Empirical Tests of Selection Theory.- 12.1. Selection Experiments.- 12.2. Success of Practical Breeding.- 12.2.1. Control Populations.- 12.2.2. Repeat Matings.- 12.2.3. Retrospective Selection Indices.- 12.3. Selection Limits.- 13. Threshold Traits.- 14. Mating Systems.- 14.1. Influence on Average.- 14.2. Effects on Variances.- 14.3. Causes of Inbreeding Depression and Heterosis.- 15. Consequences and Application of Inbreeding.- 16. Crossbreeding.- 17. Genetic Polymorphism and Single Genes.- 17.1. Paternity Control.- 17.2. Connection with Performance.- 17.3. Heterozygosity.- 17.4. Incomplete Penetrance.- 17.5. Testing for Recessive Genes.- 18. Breeds and
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Breed Formation.- 18.1. Breed Identification.- 18.2. Creation of New Breeds.- 19. Breeding Plans.- 19.1. Economic Aspects in Selection.- 19.2. Hierarchy in Populations of Domestic Animals.- 20. Final Remarks.- Literature.- General Sources.- References.
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Bibliographische Angaben
- Autor: Franz Pirchner
- 2012, Softcover reprint of the original 1st ed. 1983., 414 Seiten, Maße: 23,5 cm, Kartoniert (TB), Englisch
- Verlag: Springer
- ISBN-10: 1468444174
- ISBN-13: 9781468444179
Sprache:
Englisch
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