[1] Liaocheng Univ, Liaocheng Res Inst Donkey High Efficiency Breeding, Liaocheng 252000, Peoples R China
[2] Liaocheng Univ, Coll Life Sci, Liaocheng 252059, Peoples R China
[3] Univ Agr, Fac Vet & Anim Sci, Dera Ismail Khan 29220, Pakistan
[4] Livestock & Dairy Dev Res Dept Khyber Pakhtunkhwa, Peshawar 25120, Pakistan
[5] Chinese Acad Agr Sci, Agr Genom Inst Shenzhen, Genome Anal Lab, Minist Agr, Shenzhen 511464, Peoples R China