汪衡胜
摘要:该文主要以规模养猪场非洲猪瘟的防控措施为重点进行阐述,首先介绍规模养猪场非洲猪瘟传播与症状,其次从注重养猪场封闭性管理、完善现有的养猪场环境、整合生物安全体系等几方面深入说明并探讨规模養猪场非洲猪瘟的有效防控,旨在为相关研究提供参考。
关键词:规模化;养猪场;非洲猪瘟;防控措施
中图分类号:S858.28文献标识码:Bdoi:10.3969/j.issn.2096-3637.2021.23.070
Prevention and control of African swine fever in large-scale pig farms
WANG Hengsheng
(Jinlan Agricultural Integrated Service Center,Hengyang County,Hengyang Hunan 421231,China)
Abstract:This paper focuses on the prevention and control measures of African swine fever in large-scale pig farms,secondly,it explains and discusses the effective control of African swine fever in large-scale pig farms from several aspects,such as paying attention to the closed management of pig farms,perfecting the existing pig farm environment and integrating the bio-safety system,the purpose is to provide reference materials for related research.
Keywords:scale,pig farm,African swine fever,control measures
0引言
非洲猪瘟是生猪养殖场中一种高危害性传染病。规模化养猪场生猪数量大,若感染非洲猪瘟,会降低养殖户经济效益或制约到生猪养殖产业发展的稳定性与安全性。从2018年始,非洲猪瘟便备受我国关注,疫情飞快在国内传播,扑杀大量生猪,对应猪肉价格有所提升。因为非洲猪瘟病毒包含多样化的传播形式,这样很多养猪场均相继发病。在具体养殖期间,饲养人员要注重养猪场卫生保护,控制病毒的大范围传播,从多个维度上强化生猪养殖的安全性条件支撑。
1规模养猪场非洲猪瘟传播与症状
1.1传播影响因素
非洲猪瘟疫病传播渠道多样化,结合生猪养殖过程,此种非洲猪瘟病毒依托生猪和产品运输进行远距离传递,相关养殖户在饲喂剩余餐物实施病毒传播。并且规模化养殖场中潜在吸血昆虫,特别是顿圆软蜱,这样猪群内出现非洲猪瘟的病毒迅速传递。不相同年龄的猪群被病毒感染后会出现不同症状,生猪感染后的3周内均有可能不表现症状,生猪调运期间会含有携带病毒的生猪,长期运输发病造成病毒传播,导致猪群整体发病。……