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|標題:||Using molecular markers and multivariate methods to study the genetic diversity of local European and Asian chicken breeds|
|期刊/報告no：:||Animal Genetics, Volume 39, Issue 2, Page(s) 121-129.|
|摘要:||French and Asian subsets of chicken breeds were first analysed using 22 microsatellites and then compared to the AVIANDIV European set using 14 loci. Positive correlations were observed between F-IT or F-ST and typological values or variance of markers using the multivariate analysis MCOA. The first axis of the multivariate representation separated Asian from European breeds, revealing breeds with Asian ancestor. Using all or 14 loci, correct assignation rate was always higher than 93%. The Weitzman index and the aggregate diversity D were calculated using 22 loci within French and Asian breeds. The French breed Coucou de Rennes and the Hua-Tung breed seemed to contribute the most to the global diversity of each subset. This approach on French-only breeds and then on French with AVIANDIV domestic breeds (14 loci) showed that the Marans breed contributed the most. The AVIANDIV framework could be useful to evaluate the genetic diversity of local breeds and to help in connecting national and regional conservation policies.|
|Appears in Collections:||動物科學系|
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