[1] Qinghai Univ, Med Coll, Dept Human Anat, Xining 810000, Qinghai, Peoples R China
[2] Tamil Nadu Vet & Anim Sci Univ, Vet Coll & Res Inst, Dept Livestock Prod Technol Meat Sci, Madras, Tamil Nadu, India
[3] Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Peoples R China
[4] Northwest A&F Univ, Coll Anim Sci & Technol, Yangling 712100, Peoples R China
[5] Lasbela Univ Agr Water & Marine Sci, Fac Vet & Anim Sci, Uthal 3800, Balochistan, Pakistan
[6] Northwest A&F Univ, Coll Life Sci, Yangling 712100, Peoples R China
[7] Lasbela Univ Agr Water & Marine Sci, Fac Marine Sci, Uthal 3800, Balochistan, Pakistan
[8] Zagazig Univ, Poultry Dept, Fac Agr, Zagazig 44511, Egypt
[9] Indian Vet Res Inst, ICAR, Div Pathol, Izatnagar 243122, Uttar Pradesh, India
[10] Fourth Peoples Hosp Qinghai Prov, Dept Resp, Xining 810000, Qinghai, Peoples R China