| first report of bovine leukemia virus infection in yaks (bos mutus) in china. | enzootic bovine leukosis (ebl) is a chronic lymphosarcoma disease of cattle caused by bovine leukemia virus (blv). no information is available concerning the epidemiology of blv infection in yaks (bos mutus). one thousand five hundred and eighty-four serum samples from 610 black yaks and 974 white yaks from gansu province, northwest china, were collected between april 2013 and march 2014 and tested for blv antibodies using a commercially available elisa kit. the overall blv seroprevalence in yak ... | 2016 | 27340671 |