molecular epidemiology and characterization of bovine leukemia virus in domestic yaks (bos grunniens) on the qinghai-tibet plateau, china.bovine leukemia virus (blv) is a member of the genus deltaretrovirus of the family retroviridae and cause a chronic lymphosarcoma, which is extensive in cattle. in yaks (bos grunniens), the distribution, strains and genetic characteristics of blv have rarely been studied. the aim of our study was to investigate blv infections in domestic yaks and determine the genetic variability of blv circulating in a region of the qinghai tibet plateau, china. blood samples were collected from 798 yaks, which ...201729224130
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