断奶前仔猪的腹泄.pptVIP

Pre- and Post-weaningDiarrhea FAU 简介Introduction 断奶前仔猪腹泻 Pre-weaning diarrhoea 发生Occurrence 病因Causes 大肠杆菌E. coli 梭菌及传染性胃肠炎C. perfringens and TGE 预防及控制 Prevention and control 断奶後仔猪腹泻 Post-weaning diarrhoea 病因Causes 大肠杆菌E. coli 猪赤痢及迥肠炎Dysentery and Ileitis 预防及控制Prevention and control 总结 Conclusions 基础免疫: 分娩前 8-12 及 2-6 周共两针 (6 周间隔) 重覆免疫: 之後每次分娩前 2-6 周或每 6 月一次 基础免疫: 分娩前6周及2周共2 针(间隔4 周) 重覆免疫: 之後每胎产前 2-6 周 记录Recordings, 肥育猪finishing farms 活疗Treatment 个体Individual 群体Group 咬尾Tail biting 8% -- 跛脚Lameness 24% -- 肠炎Intestinal disorders 12% 43 呼吸道问题Respiratory disorders 56% 57 总共Total 21.367 注射 7.232 用药 Days 断奶後腹泻的病因Causes of Post-weaning diarrhea 断奶仔猪腹泻-水肿病 Post-weaning - Oedema Disease 眼帘水肿及轻微的泛红 Swollen and slightly reddened eyelids 耳朵下垂及水肿Swollen dropping ears 神经症状CNS symptoms 不同程度死亡率Variable mortality 死亡Dead (数小时few hours - 几天few days) 临床症状 Clinical signs 预防 Prevention 断奶後仔猪下痢 Post-weaning diarrhea 清洗及清毒保育舍Clean and disinfected weaning unit 气候控制Climate 舍温Temperature (3 周 - 30oC, 4 周 28oC) 无贼风No draught 限料 Restricted feeding 如需要预防性用药 If needed preventive medication 氧化锌Zinc oxide 抗生素Antibiotic 断奶後猪大肠杆菌性下痢/水肿病 Post weaning E. coli diarrhea / Oedema Disease 对病猪用抗生素治疗Treat of sick animals with antibiotic 补充含矿物质营养液Supply fluid containing minerals 改善保育舍的管理Improve the management of the weaning unit 预防性投药的措施Implement preventive medication 控制 Control * “BABE” “宝贝” 给仔猪提供良好舒适的环境 Good environment for baby piglets! 干净的分娩舍Clean farrowing create 温暖，干爽及无贼风Warm, dry and no draught 吸吮足够的初乳Sufficient supply of colostrum 能到达良好及作用的乳头Asses to good functioning teats 任意采用的净水Ad lib supply of clean water 预防新生仔猪腹泻 Prevention of neonatal diarrhea 群数No. herds 104 窝数No. litters 70.796 期间Period 1976 - 1982 断奶周龄Weaning age 6 weeks 4 weeks 平均观查期/群Av. Observation period/herd 2-3 years 材料 Material 断奶前仔猪腹泻的发生机率 Prevalence of pre-weaning diarrhoea (Svensmark, B., Acta Vet. Scand., 30, 43-53) 断奶前仔猪腹泻 + - 参差仔猪的百