[1] Yuelushan Lab, Changsha 410128, Peoples R China
[2] Hunan Agr Univ, Coll Anim Sci & Technol, Minist Agr & Rural Affairs, Key Lab Livestock & Poultry Resources Pig Evaluat, Changsha 410128, Peoples R China
[3] Chinese Acad Sci, Inst Subtrop Agr, Changsha 410125, Peoples R China
[4] Zhejiang A&F Univ, Coll Anim Sci & Technol, Hangzhou 311300, Peoples R China
[5] Nanjing Outstanding Gene Technol Co Ltd, Nanjing 210018, Peoples R China