[Xu, Min-Jun; Su, Ang; Liu, Guo-Hua; Zhu, Xing-Quan] Chinese Acad Agr Sci, State Key Lab Vet Etiol Biol, Key Lab Vet Parasitol Gansu Prov, Lanzhou Vet Res Inst, Lanzhou, Gansu, Peoples R China.
[Liu, Guo-Hua; Zhu, Xing-Quan] Hunan Agr Univ, Coll Vet Med, Changsha, Hunan, Peoples R China.
[Gasser, Robin B.] Univ Melbourne, Dept Vet Sci, Werribee, Vic 3030, Australia.
[Su, Ang; Lin, Rui-Qing] S China Agr Univ, Coll Vet Med, Guangzhou, Guangdong, Peoples R China.
[Nejsum, Peter] Univ Copenhagen, Dept Vet Dis Biol, Frederiksberg, Denmark.