进口猪肉及其制品中猪繁殖与呼吸综合征病毒传入风险分析OA

In China,the sustainable development of livestock industry and economic society could be affected by the health and safety of imported pork as China is a major producer of pigs and consumer of pork.In order to assess the entry risk of porcine reproductive and respiratory syndrome virus(PRRSV)accompanying imported pork and its products,the key factors and resulting influences of introduction of PRRSV were identified using a scenario tree under the framework of risk assessment proposed by World Organization for Animal Health(WOAH)in Terrestrial Animal Health Code,the risk of PRRSV introducing into China along with imported pork and its products was analyzed based on the results of entry assessment,exposure assessment and consequence assessment.It was concluded that the risks of entry,exposure and consequence were"extremely low","extremely low"and"medium",respectively,and the comprehensive risk was"extremely low".Therefore,measures for pre-event,in-process and post-event management of risks were proposed to provide a reference for pig product admittance as well as port supervision and enforcement.