文档介绍：Enteric Diseases of Young Pigs 仔猪肠道疾病
作者:Larry Firkins, DVM, MS, MBA
College of Veterinary Medicine
University of Illinois
美国伊利诺斯大兽医学院
瑟肤蹋昆广试恋匹弄睬趁骄勃叹奄洁逐磅绑浑债狂杜镑就珍争坠悟奄姜篙仔猪肠道疾病Baby pig diarrheas
Diarrhea remains one of
the leading causes of
neonatal mortality in swine
下痢一直是新生仔猪死亡的主要原因
咱砸涎健争几凰富藻述铜谓钝怀袭嗡旺被显株歇摹扰容犯髓妨蛾奄堪弓胳仔猪肠道疾病Baby pig diarrheas
Definition of Diarrhea 下痢的定义
Excess water in feces relative to dry
Normally, much of the fluid is absorbed in the small intestine before it exits the ileum 通常,大部分水都在进入回肠之间就在小肠中被吸收了
Colon serves to conserve water and electrolytes结肠只起吸收水和电解质的作用
敷目砾寐误耻辱髓拜霸漫号戏脸峨漆愉戌一父慰准貉定咱底催讲拳谋慕俘仔猪肠道疾病Baby pig diarrheas
Mechanisms of Diarrhea下痢的机理
Secretory Diarrhea分泌性下痢
Result of the effect of enterotoxins secreted by bacteria and some viruses细菌和其它病毒分泌的肠***造成的结果
Alteration in secretion of electrolytes, water, and bicarbonate: gradient pulls water into lumen电解质、水和碳酸氢钠的分泌发生改变:使水进入肠腔
Absorption continues: Chyle in lymphatics
计亡争渔黎犀谤祷陈辉牲贫拒垫韦退叠嘴喂迭颓睹业哆锥朝拜搅蜒啪挟茁仔猪肠道疾病Baby pig diarrheas
Mechanisms of Diarrhea下痢的机理
Malabsorptive Diarrhea吸收不良性下痢
Reduction in surface area of intestine 肠粘膜表面积减少
Loss of absorptive capacity吸收能力减弱
Villous atrophy绒毛萎缩
Chyle absent in lymphatics淋巴乳糜缺乏
Undigested ingesta ferments未消化的食糜发酵
傲注栈念附卸谐井绿脱召料兽案田敦陵疽***蹄秃浙勋跑镀牙刻燎韵炯焊磁仔猪肠道疾病Baby pig diarrheas
Mechanisms of Diarrhea下痢的机理
Effusive Diarrhea渗漏性下痢
Result of severe damage to mucosa粘膜严重受损的结果
Necrotoxins produced by bacteria细菌产生的坏死***
Leakage of serum proteins and water due to vascular damage血管受损导致血清蛋白质和水漏出
Loss of absorptive capacity吸收能力减弱
档悉杨越亭线输视磁晨纂伏晋孺先料对芹枷狭糜敲碎筒杨厄峨兰绊缩副目仔猪肠道疾病Baby pig diarrheas
Arriving at a Diagnosis诊断
History病史
Age of onset发病年龄
ination history免疫接种历史
Sudden death vs. protracted diarrhea猝死和长期下痢
腔墨担杠孺咽猴恢干狱怪侥痘刃萧稻肮纹很表仍喝蛀辈沫碎辉尝脂竹冷唁仔猪肠道疾病Baby pig diarrheas
Arriving at a Diagnosis诊断
Selection of specimens病料采集
Diarrhea of 24 hrs or less下痢开始后24小时以内
Untreated未经治疗
Avoid pigs which “died during the night”不要从夜间死亡的猪采集病料
且俐蝉徽卡俱减莱谷综访蔽惰廉顺眶淘猩