[1] CAAS, Lanzhou Vet Res Inst, Key Lab Vet Parasitol Gansu Prov, State Key Lab Vet Etiol Biol,Dept Parasitol, Lanzhou 730046, Gansu, Peoples R China
[2] S China Agr Univ, Coll Vet Med, Guangzhou 510642, Guangdong, Peoples R China
[3] Univ Nottingham, Sch Vet Med & Sci, Loughborough LE12 5RD, Leics, England
[4] Chung Ang Univ, Coll Med, Dept Med Environm Biol, Seoul 156756, South Korea
[5] Chinese Ctr Dis Control & Prevent, Natl Inst Parasit Dis, Shanghai 200025, Peoples R China
[6] Zhongshan Entry Exit Inspect & Quarantine Bur, Zhongshan 528403, Guangdong, Peoples R China
[7] Yunnan Agr Univ, Coll Anim Sci & Technol, Kunming 650201, Yunnan Province, Peoples R China