季节变化对不同品种种公牛精液品质及产能的影响

张淑二, 尹旭升, 田宁宁, 靳玉平, 翟桂玉

Effects of Seasons on Seminal Quality and Productivity in Bulls of Different Varieties

ZHANG Shu-er, YIN Xu-sheng, TIAN Ning-ning, JIN Yu-ping, ZHAI Gui-yu

. 2012, (12): 150 -153 .