摘要
2018年8月1日,辽宁省沈阳市沈北新区五五社区某养猪户出现猪只连续不明原因死亡,疑似非洲猪瘟。经现场剖检、采样送中国动物卫生与流行病学中心国家动物外来病研究中心确诊为非洲猪瘟。根据临床症状和剖检变化建立了病例定义,通过查阅记录、访谈相关人员开展病例搜索,对疑似病例进行实验室检测。调查结果表明,该养殖户场内发病率为12.3%,病死率为100%。描述了疑似病例的群间分布、时间分布、空间分布。分析表明,违规调运是引起该起疫情的重要风险因素。对照病例定义,经大范围病例搜索,已追踪该起疫情的扩散范围,并采取了扑杀、无害化处理等防控措施,疫情得到有效控制。
In Aug 1 st, 2018, continuous death was found in a small scale swine farm in Shenbei district of Shenyang city, Liaoning province, which was suspect as African swine fever and was confirmed as the first identified case of African swine fever in China by China Animal Health and Epidemiology Center. A field epidemiological enquiry was conducted at the first time; a case definition was constructed, the attack rate and mortality was calculated, the temporal and spacial distribution was described to show the situation. Results of the investigation indicated that the attack rate was 12.3%, the mortality was 100%. Ilegal transport may be a risk factor this out-break. With a comprehensive control measures including move control, culling and disinfection,this African swine fever case was controlled effectively.
作者
魏澍
段亚良
李树博
崔基贤
周晨阳
姜斌
Wei Shu;Duan Yaliang;Li Shubo;Cui Jixian;Zhou Chenyang;Jiang Bin(Liaoning center for animal disease control and prevention,Liaoning Shenyang 110164;Liaoning Animal Health Supervision Institute,Liaoning Shenyang 110015)
出处
《现代畜牧兽医》
2018年第10期48-50,共3页
Modern Journal of Animal Husbandry and Veterinary Medicine
关键词
中国
非洲猪瘟
首例
流行病学
China
African swine fever
First case
Epidemiological inquiry
