1Study on the characteristics of the mucosal immune system in the digestive tract of Tibetan sheepHuang Meng, Yang Xue, Li Qi, Xu Shuo, Cheng Xiang, Li Shuaishuai, Ping Xinxin, Zhang Yuxin, Wang Fanxiong, AyimuguliExperimental Research1-52Study of immune effect on avian influenza and Newcastle disease in Jingyuan chickens in different generationsJiang Xiaojun, Guo Ya'nan, Chen Xiuhong, Si Duoduo, Liu Fan, He ShenghuExperimental Research6-93Preparation and observation of small cestode stained specimenLong Min, Yang Jingjing, Wei Xinyu, Liu Dan, Li Hongbin, Bao MinExperimental Research10-124Fluorescence quantitative detection of zearalenone in feedWang Hu, Liu YingxueExperimental Research13-175Research on breeding technology of core group of Lingqiu green back goatYu Wenjie, Zeng Yujia, Zhu Lei, Tian YuminFeeding and Breeding18-216Comparative analysis on slaughter performance of free-range Guinea Fowl and Baicheng Fatty Chicken in orchardDou LizhengFeeding and Breeding22-247Effect of supplementation of probiotics on growth performance and immune function of weaned multiple fetus Suffolk lambsZhao Xuan, Chen Ning, Yin JunliangFeeding and Breeding25-288Canine ear canal malassezia and its treatmentBo TaoEpidemic Prevention29-309Diagnosis and prevention of streptococcus pneumonia in calvesWang Biao, Wu Yanyan, Chen Hongli, Wei Yong, Qi YayinEpidemic Prevention31-3410Treatment report of a femur fracture in catWang Haoxian, Zhao Yu, He Hongpei, Sun Leyao, Liu Qiang, Ni HongboEpidemic Prevention35-3911Analysis and treatment of acute renal failure in caninesXiong Wenbin, Chen Xueli, Zhang Qiuyang, Liu PenggangEpidemic Prevention40-4412Investigation on the prevalence of echinococcosis in sheep in parts of BazhouMa Bo, Su Xiaoyue, Batai Mi, Qiao GelasenInvestigation and Analysis45-4813Analysis on the situation of production and operation of feed and feed additives in Liaoning Province in 2019Han Yedong, Li Yanshan, Liu Zaisheng, Dong Yanjiang, Wu Qian, Zhang JianxunInvestigation and Analysis49-5014Research advances in non-structural protein 9 of porcine reproductive and respiratory syndrome virusZou Weibin, Chen Jian, Mu Guanghui, Qi DongmeiMonograph Summarize51-5415Analysis of annual effect of cashmere performance of Liaoning cashmere goatsLiu Xin, Jiang Huaizhi, Song XianchenMonograph Summarize55-5716Research progress in epidemiology and drug resistance of foxy pathogenic Escherichia coliFeng Ling, Liu Boxing, Zhao Anqi, Shi QiumeiMonograph Summarize58-6117The situation faced by the production of Liaoyu white cattle and its development countermeasureYang Shuhuan, Jin Shuangyong, Jiang Lei, Zhang LijunMonograph Summarize62-64 