The Effects of Estrus Synchronization and Ovsynch-timed Artificial Insemination on Dairy Heifers
ZHAO Ming-li, HAO Hai-sheng, MA Teng, LI Xu-bing, SUN Bai-qing, ZHU Hua-bin
. 2016, (5): 1302 -1307 .  DOI: 10.16431/j.cnki.1671-7236.2016.05.027