Objective To estimate the genetic diversity and genetic differentiation of a Dunkin Hartley guinea pig outbred stock and providing valuable information and references for standardization of the population.Methods A total of 72 samples from a Dunkin Hartley guinea outbred pig stock were genotyped using 8 microsatellite DNA markers by PCR-de-naturing polyacrylamide gel electrophoresis.Genetic variation of the population was evaluated and Hardy-Weinberg equilib-rium was tested for each locus.Results 28 alleles...