1Establishment and Application of a Method for Detection of Infectious Bursal Disease Virus RT-PCRLi Jijuan, Zhang MinExperimental Research1-62Effect of different concentrations of cysteine on the development of oocytes in young pottery and cold hybrid sheepLuo Huidi, Mao Yangyi, Zhou Shenghua, Guo Huihui, Li Chunyan, Li Xi, Zhang Li, Wu Sujun, Xue Lina, Dang WenqingExperimental Research7-113Effects of probioties on growth performance of BroilersXi Hongbo, Zhu Guangyue, Wang Ying, Liu Ailing, Zhang YongjingExperimental Research12-164Pollution and treatment of soil by refuse of manure in large-scale pig farmCheng Bin, Li Ning, Huang Linlin, Liu KunyangFeeding and Breeding17-225Quality Comparison of Liquid Semen of Liaoning Velvet Goat at at Low Temperature(0 ℃) with Different MediaWang Xiaoming, Liu Xingwei, Guo Dan, Wu Bing, Zhu YanxuFeeding and Breeding23-266Diagnosis of mixed infection of beef cattle thymus neoplasms and klebsiellaYu Jishen, Li Peng, Ni HongboEpidemic Prevention27-317A diagnosis of congenital tremor in a newborn pigletZhang YangEpidemic Prevention32-368Analysis of control status of group fowl adenovirusWang Hongyan, Zhou ChenyangEpidemic Prevention37-409The survey report on meat donkey industry in Liaoning provinceZhu Yanxu, Zhang Xiaoying, Li Wanbo, Wang Zhanhong, Wu Shiliang, Huang Guowei, Wang Guojun, Yuan Qingguo, Yue Mijiang, Xie Zhimin, Zou DeqingInvestigation and Analysis41-4710Situation Analysis and Late Forecast of Production of Pigs in Liaoning Province in the First Quarter of 2018Zhang Tingting, Liu Quan, Li YingInvestigation and Analysis48-5011Situation Analysis and Late Trend Forecast of Production of Laying Chickens and Broiler Chickens in Liaoning Province in the First Quarter of 2018Zheng Guangyu, Liu Quan, Han ShuoInvestigation and Analysis51-5312Research Progress in Diagnostic Techniques of Dairy Cow Mastitis in LaboratoryGao Yuan, Zhang Bo, Yao WeiMonograph Summarize54-59