Comparison on Sperm Quality and Embryos Development after in vitro Fertilization of Bovine Oocytes with Frozen-thawed Sperm from Holstein and Simmental Bulls
LI Xiao-xia, WANG Hao, CAO Ping-hua, YU Xue-li, LI Ying-hua
China Animal Husbandry & Veterinary Medicine . 2013, (6): 161 -164 .