1Advances in Epidemiological Studies of African Swine Fever1-42Biosecurity Management in Pig Farms Under the Background of African Swine Fever EpidemicHu Bin, He Yiping, Hu Xunjing, Tong Xiong, Du Zongliang, Meng Fanming, Li Jianhao5-8,133Research Progress of Infectious Bursal Disease Virus and Vaccine in ChickenZhu si si, Li yong hong9-134Rational Use of Disinfectants in Livestock And Poultry FarmsLI Zhenming, YU Miao, LIU Zhichang, RONG Ting, MA Xianyong, WANG Gang23-265Resource Utilization of Livestock And Poultry Manure And the Current Situation in ZhanjiangLiu Weichao27-31