控制猪病的原则与方法课件.ppt

1、Economic Cost of Disease疾病的经济损失Death Loss 死亡损失Obviously Sick Pigs 明显的病猪Treatment Costs治疗开支Lost Production生产损失Lost Access to Markets 市场的丧失Ab level 抗体水平Infection感染0 7 14 21 .0 7 14 21 .Ab level 抗体水平Infection感染0 7 14 21 .Ab level 抗体水平Infection感染0 7 14 21 .Ab level 抗体水平Infection感染抗体水平感染0 7 14 21 .Matern

2、al Ab typically lasts for 3-4 weeks.母源抗体一般持续34周Immunodeficient Sowor Poor Colostrum IntakeVaccinated SowUnvacc.SowBirth 3 weeksImmunity免疫缺陷的母猪，或初乳摄入不足周PRV Ab lasts upto 16 weeks.伪狂犬病母源抗体可持续16周Immunodeficient Sowor Poor Colostrum IntakeVaccinated SowUnvacc.SowBirth weeks免疫缺陷的母猪，或初乳摄入不足Ab response aft

3、er single vaccination一次免疫接种后的抗体应答Booster Effect强化效果母原抗体干扰Maternal AbInterference免疫缺陷的母猪，理想免疫模式为在被动免疫消失前激活主动免疫Combined Maternal and Active ImmunityHealthSicknessHealth and prosperityDisease and Economic LossHeavy ExposureImmunity not EnoughExposureVery HighHighLowImmunity免疫缺陷的母猪，ExposureVery HighHigh

4、LowImmunity免疫缺陷的母猪，Window ofOpportunity免疫缺陷的母猪，Segregation,Isolation,Sanitation,Immunization分离，隔离，卫生，免疫Separate sick pigs from healthy将病猪与健康猪隔离Use logical and effective sanitation进行合理有效的卫生消毒strong chemicals强效药剂Better Environments 环境管理Use controlled exposure+vaccines 有控制地接触病原免疫接种 Diagnosis诊断Periodic review of the program方案的阶段性总结