Isolation and identification of LA strain of Pseudorabies virus李尚波, 马凤龙, 马振宇, 王文成, 尹广东, 孙洪丽, 卫广森, 王铁东, 宣华6-8
Analysis on the determination result of the offspring of beef herd bull in the north of Liaoning province祁茂彬, 张丽君, 杨广林, 刘怀野, 高文学, 董明华, 齐书君, 张淑杰8-10
Brief discuss on the methods of weed prevention and control in alfalfa stands in Liaoning province陈秀霞, 陈冲23-25