[Qin, Xun-Si; Zhang, Teng; Feng, Yan-Min; Feng, Yan-Ni; Shen, Wei; Li, Lan; Zhang, Xi-Feng] Qingdao Agr Univ, Lab Germ Cell Biol, Key Lab Anim Reprod & Germplasm Enhancement Univ, Coll Anim Sci & Technol, Qingdao 266109, Peoples R China.
[Chen, Yong-De; Zhang, Xi-Feng] Wuhan Polytech Univ, Coll Biol & Pharmaceut Engn, Wuhan 430023, Peoples R China.
[Wang, Liu] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230027, Anhui, Peoples R China.
[Wang, Liu] Univ Sci & Technol China, Sch Life Sci, Hefei 230027, Anhui, Peoples R China.
[Zhang, Hong-Ying] Tengzhou Family Planning Serv Stn, Tengzhou 277500, Shandong, Peoples R China.