夏季SPF产蛋鸡的限饲
李新华,王春玲,刘玉山,李玉峰
Studies on Decreasing Feed Uptake of SPF Layers in Summer
LI Xin_hua, WANG Chun_ling, LIU Yu_shan, LI Yu_feng
实验动物科学 . 2003, (03): 50 -51 .