Regressive and Principal Component Analyses of Testis Weight and Secondary Sexual Characteristics at Different Weeks of Ningdu Huang Roosters
ZHOU Min, ZHU Xuenong, TAN Yuwen, ZHANG Yi, WANG Yuanbin, LUO Jinsheng, ZHU Sha, YU Yan, ZHENG Shijun
Journal of Henan Agricultural Sciences . 2019, (9): 148 -156 .  DOI: 10.15933/j.cnki.1004-3268.2019.09.021