[1] Nanjing Agr Univ, MOE Int Joint Collaborat Res Lab Anim Hlth & Food, Nanjing 210095, Peoples R China
[2] Nanjing Agr Univ, Jiangsu Engn Lab Anim Immunol, Coll Vet Med, Nanjing 210095, Peoples R China
[3] CAAS, Harbin Vet Res Inst, State Key Lab Vet Biotechnol, Harbin, Peoples R China
[4] Chubu Univ, Coll Life & Hlth Sci, Kasugai, Aichi, Japan