张桂红更新-蓝耳病的净化与经济效益分析.pdf

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1、S So ou ut th h C Ch hi in na a A Ag gr ri ic cu ul lt tu ur ra al l U Un ni iv ve er rs si it ty y P Pr ro of f.G Gu ui ih ho on ng g Z Zh ha an ng g华华南南农农业业大大学学 张张桂桂红红教教授授The eradication of PRRSV and its economics analysis 蓝耳病的净化与经济效益分析一带一路国际生猪产业大会OUTLINE 提 纲Surveillance of PRRSV eradication 蓝耳病的净

2、化监测 Economics analysis of PRRSV eradication 净化经济效益分析一带一路国际生猪产业大会Eradication净化1、Goal of PRRSV control 确定蓝耳病的防控目标1.Surveillance of PRRSV eradication 一、蓝耳病的净化监测Control 控制Positive immunized stability(2vx)or positive non immunized stabilityPositive stable low prevalence(1B)Negative with herd closure or r

3、eplacementNegative with depopulation and repopulation 一带一路国际生猪产业大会过去的分类方法：4类Previous classiffied categories:4PRRS negative farmPRRSV净化场蓝耳阳性稳定场PRRSV postive stable farm蓝耳阳性不稳定场PRRSV positve unstable farm蓝耳发病场Farm with PRRSV oubreaksAgePCRELISASow母母猪猪POS阳阳POS阳阳Birth出出生生POS阳阳POS阳阳Wean断断奶奶POS阳阳POS阳阳AgeP

4、CRELISASow母母猪猪Neg阴阴POS阳阳Birth出出生生Neg阴阴POS阳阳Wean断断奶奶POS阳阳POS阳阳AgePCRELISASow母母猪猪Neg阴阴Neg阴阴Birth出出生生Neg阴阴Neg阴阴Wean断断奶奶Neg阴阴Neg阴阴AgePCRELISASow母母猪猪Neg阴阴POS阳阳Birth出出生生Neg阴阴POS阳阳Wean断断奶奶Neg阴阴POS阳阳阳阳性性不不稳稳定定场场positve unstable farm发发病病场场Outbreaks阳阳性性稳稳定定场场positve unstable farm阴阴性性场场negative farm自己场属于哪个等级？W

5、hich category does your farm belong to?（2）Understanding PRRSV status 了解猪蓝耳病的分类等级-Holtkamp,D.J.et al.Terminology for Classifying Swine Herds by Porcine Reproductive and Respiratory Syndrome Virus Status.J.Swine Health Prod.2011,19,44-56.一带一路国际生猪产业大会最新的蓝耳病感染状态的划分方法Latest PRRSV Herd Classification Meth

6、ods-Holtkamp,D.J.;Torremorell,M.;Corzo,C.A.;Linhares,D.C.L.;Almeida,M.N.;Yeske,P.;Polson,D.D.;Becton,L.;Snel,H.Proposed Modifications to Porcine Reproductive and Respiratory Syndrome Virus Herd Classification.J.Swine Health Prod.2021,29,10.现在的分类方法：6类 Current Classification(category standards):6 Cate