[Zhang, Rui-Qian; Liu, Xue-Lian; Zhang, Tian-Yu; Zhao, Yong; Shen, Wei; Li, Lan; Cheng, Shun-Feng] Qingdao Agr Univ, Coll Anim Sci & Technol, Qingdao 266109, Peoples R China.
[Shen, Wei; Wu, Rui-Ying] Qingdao Univ, Qingdao Womens & Childrens Hosp, Ctr Reprod Med, Qingdao 266034, Peoples R China.
[Zhao, Yong; Shen, Wei; Sun, Xiao-Feng; Li, Lan; Cheng, Shun-Feng] Qingdao Agr Univ, Inst Reprod Sci, Coll Life Sci, Qingdao 266109, Peoples R China.
[Zhang, Xi-Feng] Wuhan Polytech Univ, Coll Biol & Pharmaceut Engn, Wuhan 430023, Hubei, Peoples R China.