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Demontis D.,University of Aarhus | Larsen P.F.,National Center For For Animals | Baekgaard H.,National Center For For Animals | Sonderup M.,National Center For For Animals | And 6 more authors.
Animal Genetics | Year: 2011

Inbreeding is an increasing problem in farmed mink, because of limited exchange of individuals between farms. In this study, genetic relatedness within seven American mink (Neovison vison) colour strains originating from 13 different mink farms in Denmark was analysed using 21 polymorphic microsatellite loci. We detected large differences in the level of relatedness (range 0.017-0.520) within colour strains. Moreover, a very strong and highly significant negative correlation between the level of relatedness and fecundity was observed (r = 0.536, P < 0.001) [Correction added after online publication on 9 March 2011: r 2 has been changed to r]. To our knowledge, this is the first time that such a correlation has been demonstrated for commercially farmed mink. © 2011 The Authors, Animal Genetics.

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