Assessment Model of General Disease Resistance in Yorkshire Based on Principal Component Analysis
XIA Ri-wei, SUN Li, YIN Xue-mei, CHENG Hong-qing, WU Sheng-long, BAO Wen-bin
. 2015, (4): 986 -990 .  DOI: 10.16431/j.cnki.1671-7236.2015.04.032