农场生产系统PED成功根除 - Keith Erlandson.pdf

Successful Eradication of PED from a Swine Production System 农场生产系统PED成功根除 兰德森 Keith Erlandson MS, MBA, DVM, DABVP (SHM) CP China 正大中国 目录 CONTENTS 1 农场布局Layout of farm 2 PEDV爆发时间线Timeline 3 关键性的干预措施 Critical Interventions 4 决策过程 The decision-making process 5 控制疾病的关键因素 Keys to Success 6 农场当前状态Current Status of the Farm 农场布局Layout of Farm PEDV爆发时间线 PEDV Timeline PEDV爆发时间线 PEDV Timeline Day 0 -妊娠舍母猪发现有腹泻。 Diarrhea reported in sows in the gestation barn. -3号上午产房内40%的仔猪有腹泻，截至下午6点产房内77%的仔猪有腹。 40% of litters in Farrowing have diarrhea,77% of piglets show diarrhea by 6 pm . -在育肥场1观察到腹泻。 Diarrhea observed at WF 1 PEDV爆发时间线 PEDV Timeline - Day 1 - 实验室诊断确定种猪场为PEDV感染。 Diagnostics confirm PEDV infection in sow farm - 对356头母猪进行了返饲。 356 sows received feedback . PEDV爆发时间线 PEDV Timeline • Day 2 - 育肥场1有超过2000头猪表现腹泻症状，育肥场1为PEDV阳性场。 WF 1 has more than 2000 pigs with diarrhea, this farm assumed to be positive 最终决策，净化PED Decision Made to Eradicate PEDv from the Farm PEDV爆发时间线 PEDV Timeline • Day 3 • Day 4 - 12日龄以上仔猪进行断奶， - 对母猪进行了第二次全群返饲。 Second feedback to the entire sow herd 12日龄以下仔猪进行安乐死。 Wean all pigs older than 12 days, euthanize all others - 所有新生仔猪进行安乐死。 Begin euthanize all pigs at birth - 对母猪进行了首次全群返饲。 First feedback to the entire sow herd PEDV爆发时间线 PEDV Timeline • Day 5 • Day 10 - 种猪场母猪表现腹泻和厌食症状。