摘要
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), 1584 serum samples from 610 black yaks and 974 white yaks from Gansu province, northwest China was conducted between April 2013 and March 2014. The overall BLV seroprevalence in yaks was 21.09%(334/1584), with 24.26%(148/610) in black yaks and 19.10%(186/974) in white yaks. Moreover, risk factors analysis indicated that exception of species(OR = 1.36, 95%CI = 1.06-1.73, P < 0.05), the age, season, region, gender and the numbers of pregnancies were not considered as risk factors for the presence of BLV in yaks. This is the first report of BLV infection in yaks in China, and provide information for controlling BLV infection in yaks.
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), 1584 serum samples from 610 black yaks and 974 white yaks from Gansu province, northwest China was conducted between April 2013 and March 2014. The overall BLV seroprevalence in yaks was 21.09%(334/1584), with 24.26%(148/610) in black yaks and 19.10%(186/974) in white yaks. Moreover, risk factors analysis indicated that exception of species(OR = 1.36, 95%CI = 1.06-1.73, P < 0.05), the age, season, region, gender and the numbers of pregnancies were not considered as risk factors for the presence of BLV in yaks. This is the first report of BLV infection in yaks in China, and provide information for controlling BLV infection in yaks.
引文