[Jiang, Y.; Hu, Z.; Tu, C.; Wang, L.] Acad Mil Med Sci, Mil Vet Res Inst, Changchun 130062, Peoples R China.
[Jiang, Y.] Jilin Univ, Coll Anim Sci & Vet Med, Changchun 130023, Peoples R China.
[Yu, X.; Liu, H.] Hunan Agr Univ, Vet Coll, Changsha, Hunan, Peoples R China.
[Lu, Z.] Foshan Univ, Vet Coll, Foshang, Peoples R China.
[Xuan, H.] Guangdong Acad Agr Sci, Inst Vet Med, Guangzhou, Guangdong, Peoples R China.