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母豬猝死的防治措施,值得養豬戶好好看看!

發布時間:2016-09-12  作者:金地飼料  瀏覽次數:53

 母豬,無疑是豬場賺錢的根本,但是懷孕或經產母豬猝死肯定損失慘重的,主要發生在天冷的時期,陰雨潮濕,多發于膘情好的懷孕母豬,豬突然發病,病程極短,母豬突然臥倒,狂躁不安,呼吸困難,口吐白沫,四肢劃水狀,體溫一般正常,也有部分體溫較高,來不及治療,腹瀉便血。剖檢時首先發現脾臟已移位,腫大1—3倍,脾嚴重郁血,另外還可見胃及腸道充氣,部分病例可見胃潰瘍。腸系膜充血,心、肝、肺、腎及淋巴結等臟器基本正常。脾移位,腫大幾倍和胃扭轉是該病的一個特征性病變,因為發病太快,所以重在預防。   癥狀復雜多變,綜上所述,主要考慮魏氏梭菌引發的腸炎,密螺旋體引起的豬痢疾和腸扭轉,針對這些情況,高老師總結了幾點防治措施,養殖戶可以了解下:   1,控制好環境,魏氏梭菌,胞內勞森菌和密螺旋體等病原體,通常存在糞便中,魏氏梭菌一旦導致發病,就會成為傳染源,很難被殺滅,魏氏梭菌等對于碘酸類消毒藥很敏感,可以按照1比400的比例稀釋,300ml\平方米的量噴撒,空圈用泡沫類清潔劑清潔后,用清水沖洗,干燥一周后,再把豬放進去。   2,懷孕母豬尤其是產前的母豬,要保證足夠的日糧供應,因為這個時期正是母豬需要大量能量的時期,泌乳期日飼喂量在5-6kg,飼料不要加工過細,不然在胃中停留時間太短,母豬經常會感覺饑餓,,應該適當使用顆粒料,來增加飼料在母豬腸胃內的時間。母豬是整個生產過程的核心部分,母豬應該按照豬場內最優質的原料來配制日糧。   3,適當提高豬舍內溫度,按時飼喂。避免飲水量的減少和冰涼飲水對母豬的刺激,供料異常、等待喂料時間過長,母豬因饑餓而煩躁不安,導致胃、腸道翻轉,上下排氣不暢,胃腸臌氣,使患豬呼吸困難迅速死亡,推遲飼喂使母豬過度饑餓,投料時因超量采食而過飽;由于腸道發炎,腸道后段的細菌增殖產氣,母豬容易發生胃腸扭轉。   4,豬群的日常保健,主要還是提高免疫力,保證豬場環境舒適,可以用些中藥成分的藥品來提高母豬的抵抗力,這樣,就不容易發病了,魏氏梭菌不容易殺滅。諾維氏菌易產生芽孢,芽孢對外界環境有很強抵抗力,存活時間長,因此必須對病死豬焚燒處理,對發病豬的圈舍及污染的用具進行徹底的消毒。

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