1Importance of artificial insemination in improvement of Liaoning cashmere goatsXue Bing, Liu Xingwei, Zhou Xiaofeng9-112Research progress on NR5A2 geneWeng Qiannan, Li Qifa12-163Research Progress of SparganosisLiu Yuming, Yu Di, Fu Yang, Liu Xiaogang20-254A few points discussion of brucellosis purification work among animalsDuan Yaliang, Li Lu, Fu yang26-285NSP2 genetic evolution analysis of porcine reproductive and respiratory syndrome virus in swine herds in Liaoning Province from 2011 to 2012 yearsYu Xuewu, Gu Guibo, Chen Yao, Shen Guannan, Wu Yunpu, Guan Miao, Yan Haibin, Wang Hongyan, Lan Desong, Li Rong29-336Research on nutritional value of alfalfa for Huoyan gooseSun Yabo, Liu Yuying34-377Analysis of estrogens residues in milk by gas chromatographic-tandem mass spectrometryWang Lina, Tian Xiaoling, Chen Yuyan38-428Construct and Research for rangeland resource management system in Liaoning ProvinceLiu Huilin, Yang Shuhuan, Tao Jinshan43-469Screening test of locust control chemicals in Liaoning Province grasslandGao Xiaopeng, Chen Jinting, Jia Zhe47-4910Egg yolk antibody and its application progress in prevention and diagnosis of serious animal diseasesJiang Kuiyu, Zhao Gang50-5411Optimization of ST Cell Culturing Condition for the Cultivation of Porcine Parvovirus M2 StrainTang Manhua, Chen Ruiai, He Ling, Li Chunhong, Liang Guiyi, Liao Cuiyin, Chen Zhenbo, Tong Ge55-6012Yantai Black pig And Luyan White sows with piglets swine fever maternal antibodies and compare changesLi Bonan, Lin Yafeng, Lin Yongfeng65-6913Determination of the Coumaphos in Coumaphos Solution(silkworm) by Gas ChromatographyXu Bin, Han Chunxiao, Zhang Ming, Wu Ping70-73