[Wang, Zhaofei; Ma, Jingjiao; Yan, Yaxian; Cheng, Yuqiang; Sun, Jianhe; Wang, Heng'an] Shanghai Jiao Tong Univ, Sch Agr & Biol, Shanghai Key Lab Vet Biotechnol, Key Lab Urban Agr South,Minist Agr, Shanghai 200240, Peoples R China.
[Li, Jinxiang] Chengdu Natl Agr Sci & Technol Ctr, Chengdu, Sichuan, Peoples R China.
[Xu, Guanlong] China Inst Vet Drug Control, Beijing 100081, Peoples R China.
[Wu, Rujuan] Hunan Agr Univ, Coll Vet Med, Changsha 410128, Peoples R China.