[Chang, Renxu; Liu, Lei; Yang, Qing] Hunan Agr Univ, Coll Vet Med, Changsha 410128, Peoples R China.
[Sun, Xudong; Chang, Renxu; Jia, Hongdou; Dong, Zhihao; Xu, Qiushi; Sun, XD] Heilongjiang Bayi Agr Univ, Coll Anim Sci & Vet Med, Heilongjiang Prov Key Lab Prevent & Control Bovine, Daqing 163319, Peoples R China.
[Chang, Renxu; Xu, Chuang] China Agr Univ, Coll Vet Med, Beijing 100193, Peoples R China.
[Majigsuren, Zolzaya] Mongolian Univ Life Sci, Inst Vet Med, Ulaanbaatar 17024, Mongolia.
[Batbaatar, Tugsjargal] State Cent Vet Lab, Ulaanbaatar 210153, Mongolia.