潮(chao)濕(shi)引(yin)發(fa)豬(zhu)患(huan)病(bing)主(zhu)要(yao)是(shi)和(he)溫(wen)度(du)有(you)關(guan)。如(ru)夏(xia)季(ji)哺(bu)乳(ru)舍(she)子(zi)豬(zhu)容(rong)易(yi)腹(fu)瀉(xie),往(wang)往(wang)是(shi)因(yin)為(wei)豬(zhu)舍(she)潮(chao)濕(shi),這(zhe)個(ge)潮(chao)濕(shi)不(bu)但(dan)是(shi)空(kong)氣(qi)潮(chao)濕(shi),更(geng)嚴(yan)重(zhong)的(de)是(shi)地(di)麵(mian)潮(chao)濕(shi)和(he)保(bao)溫(wen)箱(xiang)內(nei)潮(chao)濕(shi)。地麵潮濕,則在幹燥過程中,需要吸收空氣中的熱量,使周圍環境溫度降低,首先變化的就是距地麵隻有25厘米~30厘(li)米(mi)的(de)網(wang)床(chuang),而(er)這(zhe)正(zheng)是(shi)子(zi)豬(zhu)躺(tang)臥(wo)和(he)活(huo)動(dong)的(de)地(di)方(fang)。如(ru)果(guo)保(bao)溫(wen)箱(xiang)內(nei)潮(chao)濕(shi),則(ze)直(zhi)接(jie)影(ying)響(xiang)與(yu)之(zhi)相(xiang)接(jie)觸(chu)的(de)子(zi)豬(zhu)。這(zhe)樣(yang),看(kan)似(si)空(kong)氣(qi)中(zhong)溫(wen)度(du)不(bu)低(di),但(dan)子(zi)豬(zhu)所(suo)感(gan)受(shou)的(de)有(you)效(xiao)溫(wen)度(du)則(ze)不(bu)足(zu),因(yin)溫(wen)度(du)不(bu)適(shi)造(zao)成(cheng)子(zi)豬(zhu)消(xiao)化(hua)機(ji)能(neng)降(jiang)低(di)、消化道抗病力減弱,從而引發疾病。
如ru果guo豬zhu由you幹gan燥zao環huan境jing進jin入ru潮chao濕shi環huan境jing也ye會hui出chu現xian明ming顯xian的de不bu適shi應ying,這zhe一yi現xian象xiang常chang出chu現xian在zai豬zhu的de轉zhuan群qun過guo程cheng中zhong。因yin為wei現xian在zai多duo是shi全quan進jin全quan出chu飼si養yang模mo式shi,每mei次ci豬zhu轉zhuan走zou後hou,都dou要yao經jing過guo徹che底di的de清qing理li消xiao毒du,如ru果guo豬zhu群qun周zhou轉zhuan比bi較jiao緊jin,往wang往wang出chu現xian豬zhu舍she尚shang未wei幹gan燥zao就jiu要yao將jiang豬zhu轉zhuan入ru,盡jin管guan網wang床chuang幹gan了le,但dan地di麵mian和he牆qiang壁bi仍reng沒mei有you幹gan;溫度不高時,豬會受冷,溫度高時,又會出現濕度過大,再加上轉群過程中其他應激,豬群發病的可能性非常大。
潮(chao)濕(shi)的(de)產(chan)生(sheng)是(shi)水(shui),夏(xia)季(ji)產(chan)房(fang)潮(chao)濕(shi),往(wang)往(wang)與(yu)天(tian)熱(re)時(shi)母(mu)豬(zhu)玩(wan)水(shui)有(you)關(guan),也(ye)與(yu)飼(si)養(yang)員(yuan)為(wei)降(jiang)溫(wen)衝(chong)洗(xi)地(di)麵(mian)過(guo)頻(pin)有(you)關(guan)。因(yin)解(jie)決(jue)高(gao)溫(wen)問(wen)題(ti)一(yi)直(zhi)沒(mei)有(you)更(geng)好(hao)的(de)辦(ban)法(fa),所(suo)以(yi)使(shi)產(chan)房(fang)一(yi)直(zhi)處(chu)於(yu)潮(chao)濕(shi)環(huan)境(jing)中(zhong)。冬(dong)季(ji)產(chan)房(fang)濕(shi)度(du)大(da),往(wang)往(wang)是(shi)由(you)於(yu)封(feng)閉(bi)過(guo)嚴(yan),舍(she)內(nei)水(shui)汽(qi)無(wu)法(fa)排(pai)出(chu),遇(yu)到(dao)較(jiao)冷(leng)的(de)牆(qiang)壁(bi)和(he)屋(wu)頂(ding)再(zai)次(ci)結(jie)成(cheng)水(shui)流(liu)到(dao)地(di)麵(mian),這(zhe)樣(yang)循(xun)環(huan)往(wang)複(fu),使(shi)舍(she)內(nei)一(yi)直(zhi)處(chu)於(yu)潮(chao)濕(shi)狀(zhuang)態(tai),這(zhe)種(zhong)現(xian)象(xiang)在(zai)寒(han)冷(leng)地(di)區(qu)經(jing)常(chang)出(chu)現(xian)。
空豬舍潮濕是因為衝洗消毒的緣故。許多人重視消毒,在衝洗幹淨後一次又一次消毒,使豬舍無法幹燥,豬隻能進入潮濕的環境中。
解決潮濕的辦法可以從以下幾方麵考慮。
加jia大da通tong風feng。通tong風feng可ke以yi把ba舍she內nei水shui汽qi排pai出chu,但dan如ru何he通tong風feng,則ze根gen據ju不bu同tong豬zhu舍she的de條tiao件jian采cai取qu相xiang應ying措cuo施shi。一yi是shi抬tai高gao產chan床chuang,使shi子zi豬zhu遠yuan離li潮chao濕shi的de地di麵mian。二er是shi增zeng大da窗chuang戶hu麵mian積ji,使shi舍she外wai通tong風feng量liang增zeng加jia。三san是shi加jia開kai地di窗chuang,因yin為wei通tong過guo地di窗chuang的de風feng直zhi接jie吹chui到dao地di麵mian,更geng容rong易yi使shi水shui分fen蒸zheng發fa。四si是shi使shi用yong風feng扇shan,風feng扇shan可ke使shi空kong氣qi流liu動dong加jia強qiang,在zai空kong舍she使shi用yong時shi效xiao果guo非fei常chang好hao。
節製用水。在對潮濕敏感的豬舍(如產房、保育前階段),應控製用水,特別是盡可能減少地麵積水。
地麵鋪撒生石灰。舍內地麵鋪撒生石灰,可利用生石灰的吸濕特性,使舍內局部空氣變幹燥。
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低溫水管。低溫水管也有吸潮的功能,如果低於20℃的水管通過潮濕的豬舍,舍內的水蒸氣會變為水珠,從水管上流下;如果舍內多設幾根水管,同時設置排水設施,也會使舍內濕度降低。
降jiang濕shi的de方fang法fa還hai有you很hen多duo,舍she內nei升sheng火huo爐lu可ke以yi降jiang濕shi,用yong空kong調tiao可ke以yi降jiang濕shi,加jia大da通tong風feng量liang也ye可ke以yi降jiang濕shi,控kong製zhi衝chong洗xi地di麵mian次ci數shu和he防fang止zhi水shui管guan漏lou水shui也ye可ke以yi降jiang低di濕shi度du,豬zhu場chang可ke以yi根gen據ju自zi己ji的de實shi際ji情qing況kuang靈ling活huo采cai用yong。
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