Uncontrolled admixture and loss of genetic diversity in a local Vietnamese pig breed.

ABSTRACT: The expansion of intensive livestock production systems in developing countries has increased the introduction of highly productive exotic breeds facilitating indiscriminate crossbreeding with local breeds. In this study, we set out to investigate the genetic status of the Vietnamese Black H'mong pig breed by evaluating (1) genetic diversity and (2) introgression from exotic breeds. Two exotic breeds, namely Landrace and Yorkshire used for crossbreeding, and the H'mong pig population from Ha Giang (HG) province were investigated using microsatellite markers. Within the province, three phenotypes were observed: a White, a Spotted and a Black phenotype. Genetic differentiation between phenotypes was low (0.5-6.1%). The White phenotypes showed intermediate admixture values between exotic bree

SUBMITTER: Berthouly-Salazar C 

PROVIDER: S-EPMC3399162 | biostudies-literature | 2012 May

REPOSITORIES: biostudies-literature