【摘要】 高致病性猪蓝耳病(HP-PRRS)是由PRRSV变异株引起的一种急性高度致死性传染病,已成为危害养猪业生产安全的主要动物疫病之一。2006年-2007年长沙市首次发生较大规模HP-PRRS流行,给养猪生产造成了严重损失。为了给有效防控HP-PRRS疫病提供科学依据,采用追溯性方式对该市HP-PRRS流行的特点进行了探讨,结果表明,HP-PRRSV是造成2006年-2007年长沙市生猪疫病流行的主要病原,疫病的流行与生猪流动、异常气候、多种病原混合感染、饲养管理等多种因素有关,生猪市场交易流动是导入和迅速传播HP-PRRS的重要因素。更多还原

【Abstract】 Highly pathogenic porcine reproductive and respiratory syndrome(HP-PRRS)is an acute and high lethal infectious disease caused by PRRSV,which has been one of main diseases damaging pig industry.During 2006-2007,the large-scale HP-PRRS epidemic occurred first in Changsha,which caused severe loss in pig industry.To provide scientific basis for effective control measures,the epidemiological investigation was conducted in Changsha.The results showed that HP-PRRSV was a main pathogen in Changsha during 2006-2007,related various factors included pig movement,weather change,the mixed infection with various pathogens,breeding management,and the transaction of pig market were important factors for introduction and spread of HP-PRRS.更多还原