[1] Hunan Agr Univ, Coll Anim Sci & Technol, Changsha 410128, Hunan, Peoples R China
[2] Pakistan Inst Engn & Appl Sci, Anim Sci Div Nucl Inst Agr & Biol Coll, Faisalabad 38000, Pakistan
[3] Sindh Agr Univ, Dept Anim Reprod, Fac Anim Husb & Vet Sci, Tandojam 70050, Sindh, Pakistan
[4] Sindh Agr Univ, Dept Vet Microbiol, Fac Anim Husb & Vet Sci, Tandojam 70050, Sindh, Pakistan
[5] Sindh Agr Univ, Dept Anim Prod Technol, Fac Anim Husb & Vet Sci, Tandojam 70050, Pakistan
[6] Chinese Acad Sci, Inst Subtrop Agr, Changsha 410125, Hunan, Peoples R China
[7] Univ Agr, Coll Vet Sci, Fac Anim Husb & Vet Sci, Peshawar 25120, Pakistan