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Origin and Genetic Diversity of Pig Breeds

AuthorsAmills, Marcel ; Clop, Alex ; Ramírez, Óscar ; Pérez-Enciso, Miguel
Issue Date2010
PublisherJohn Wiley & Sons
CitationEncyclopedia of Life Sciences (2011)
AbstractGenetic and archaeological findings suggest that pig domestication began about 9000–10 000 YBP at multiple sites across Eurasia, followed by their subsequent spread at a worldwide scale. Development of local types throughout the centuries led to the foundation, mostly during the nineteenth century, of current modern breeds with defined phenotypes and production abilities. Extensive intercrossing markedly increased the gene pool of these founder populations. For instance, it is well known that many European pig breeds carry Far Eastern haplotypes at high frequencies because of an ancient introgression with Chinese swine. Since then, artificial selection, genetic bottlenecks and inbreeding have significantly modified the allelic diversity of pig breeds. In the next future, state-of-the-art scientific advances as well as conservation programmes will be fundamental to preserve the genetic reservoir of pig breeds as well as to exploit it in the context of artificial selection schemes.
Description10 páginas, 5 figuras, 1 tabla.
Publisher version (URL)http://dx.doi.org/10.1002/9780470015902.a0022884
ISBN978-0-470-01590- 2
Appears in Collections:(CRAG) Libros y partes de libros
(IBE) Libros y partes de libros
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