Adaptation and Fitness in Animal Populations

Adaptation and Fitness in Animal Populations

By: Cedric Gondro (editor), Richard Franckham (editor), Hans-Ulrich Graser (editor), Julius van der Werf (editor)Hardback

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Fitness and adaptation are fundamental characteristics of plant and animal species, enabling them to survive in their environment and to adapt to the inevitable changes in this environment. This is true for both the genetic resources of natural ecosystems as well as those used in agricultural production. Extensive genetic variation exists between varieties/breeds in a species and amongst individuals within breeds. This variation has developed over very long periods of time. A major ongoing challenge is how to best utilize this variation to meet short-term demands whilst also conserving it for longer-term possible use. Many animal breeding programs have led to increased performance for production traits but this has often been accompanied by reduced fitness. In addition, the global use of genetic resources prompts the question whether introduced genotypes are adapted to local production systems. Understanding the genetic nature of fitness and adaptation will enable us to better manage genetic resources allowing us to make efficient and sustainable decisions for the improvement or breeding of these resources. This book had an ambitious goal in bringing together a sample of the world's leading scientists in animal breeding and evolutionary genetics to exchange knowledge to advance our understanding of these vital issues.

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Preface; Part 1: Modelling fitness; Defining fitness in natural and domesticated populations, Stuart Barker; Genetic architecture of reproductive fitness and its consequences, Richard Frankham; Fitness traits in animal breeding programs, Mike Goddard; Discussion, John James; Part 2: Maintaining fitness; Maintaining genetic variation in fitness, William G. Hill and Xu-Sheng Zhang; Spherical cows grazing in flatland: constraints to selection and adaptation, Mark Blows and Bruce Walsh; Maintaining fitness by within breed selection, Piter Bijma; Discussion, Mike Goddard; Part 3: The genetic basis of adaptation; Some evolutionary consequences of niche construction, Kathleen Donohue; Genotype by environment interaction in farm animals, John James; Towards new ways of directly assessing fitness in Drosophila, Ary Hoffman; Discussion, Keith Hammond; Part 4: Strategies for managing diversity; Strategies to exploit genetic variation while maintaining diversity, Brian Kinghorn et al; Managing genetic diversity, fitness and adaptation of farm animal genetic resources, Louis Ollivier; Livestock genetic resources: preserving genetic adaptations for future use (summary), John Gibson; Discussion, Frank Nicholas; Concluding Summary; Stuart Barker's contributions to population genetics and animal breeding: exploring fitness, evolution and animal genetics, Frank Nicholas and Keith Hammond; Index.

Product Details

  • publication date: 20/10/2008
  • ISBN13: 9781402090042
  • Format: Hardback, Paperback
  • Number Of Pages: 270
  • ID: 9781402090042
  • weight: 1230
  • ISBN10: 1402090048

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