Breed Effect on the Semen Quality and Sperm Morphology of Boar and the Rule of Variation with Age
ZHAO Yunxiang, FANG Cheng, ZHU Lin, GAO Guangxiong, YE Li, ZHANG Conglin, LI Zhili
Journal of Henan Agricultural Sciences . 2019, (11): 157 -162 .  DOI: 10.15933/j.cnki.1004-3268.2019.11.022