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Genetics of adaptation and domestication in livestock

Abstract : In this review, we assess the current state of knowledge on domestication of the major livestock species. We present first some historical background on location and dates of domestication of livestock. The characteristics that favoured domestication are described, especially gregariousness, precocity of young and diet. We then describe the genetic processes involved during domestication, i.e. uncontrolled processes such as inbreeding and genetic drift, partially controlled processes such as relaxation of natural selection and natural selection in captivity and controlled processes such as active selection. Details are also given on how the resource allocation theory explains changes occurring during domestication. The methods used to assess the extent to which domestication has changed animals (comparisons of wild and domestic stocks, longitudinal analysis and molecular genetics) are also listed. Finally, major behavioural modifications observed during domestication are described, including relationships with humans and predators, and social, feeding, reproductive and maternal behaviours as well as morphological changes.
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Submitted on : Sunday, May 31, 2020 - 11:23:01 PM
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Sandrine Mignon-Grasteau, Alain Boissy, Jacques J. Bouix, J.M. Faure, A.D. Fisher, et al.. Genetics of adaptation and domestication in livestock. Livestock Production Science, 2005, 93, pp.3-14. ⟨10.1016/j.livprodsci.2004.11.001⟩. ⟨hal-02681392⟩



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