1. Reproductive Medicine, Guangxi Medical and Health Key Discipline Construction Project, The Affiliated Hospital of Youjiang Medical University for Nationalities , Zhongshan 2 Road 18, Youjiang District, Baise 533000 , China
2. College of Animal Science and Technology, Nanjing Agricultural University , Weigang 1, Xuanwu District, Nanjing 210095 , China
3. Industrial College of Biomedicine and Health Industry, Youjiang Medical University for Nationalities , Chengxiang Road 98, Youjiang District, Baise, Guangxi 533000 , China