Article
Population genetic structure in the Holstein breed in Brazil.
Tropical animal health and production - 1 Feb 2016
Magalhães Araújo da Silva Mário Henrique, Malhado Carlos Henrique Mendes, Costa José Lauro, Cobuci Jaime Araujo, Costa Claudio Napolis, Carneiro Paulo Luiz Souza
Abstract excerpt
We evaluated the population genetic structure of the Holstein breed in Brazil through pedigree analysis with the aim of supporting genetic management of extant herds. We used data from genealogical records of 204,511 animals in farms from south and southeast Brazil. Pedigree records between 1943 and 2005 were divided into seven periods of 8 years to estimate the effective population size (N e ). N e varied during...
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