[Li, Zhong-Yuan; Chen, Jia; Liu, Guo-Hua; Zhu, Xing-Quan; Zhou, Dong-Hui] Chinese Acad Agr Sci, Lanzhou Vet Res Inst, Key Lab Vet Parasitol Gansu Prov, State Key Lab Vet Etiol Biol, Lanzhou 730046, Gansu, Peoples R China.
[Li, Zhong-Yuan; Chen, Jia] S China Agr Univ, Coll Vet Med, Guangzhou 510642, Guangdong, Peoples R China.
[Liu, Guo-Hua; Zhu, Xing-Quan] Hunan Agr Univ, Coll Vet Med, Changsha 410128, Hunan, Peoples R China.