一、仔豬患病
小豬怕冷,大豬怕熱。那麼,潮濕與溫度有什麼關係呢?炎熱的夏季出現高濕叫酷熱,對公豬和母豬是十分不利的;而如果在低溫季節出現潮濕,則是陰冷,陰冷對仔豬不利。
秋qiu季ji的de白bai天tian,溫wen度du並bing不bu低di,但dan到dao了le夜ye間jian,溫wen度du會hui下xia降jiang很hen多duo,往wang往wang會hui低di於yu仔zai豬zhu所suo能neng承cheng受shou的de溫wen度du,長chang時shi間jian的de低di溫wen環huan境jing就jiu造zao成cheng了le豬zhu抵di抗kang力li的de降jiang低di,甚shen至zhi發fa病bing。
另外,秋天白天變短,太陽光的消毒功能下降,對疾病的預防作用減弱。特別是陰雨天氣,就談不上靠陽光消毒了。
二、飼料發黴
陰(yin)雨(yu)天(tian)氣(qi)飼(si)料(liao)容(rong)易(yi)發(fa)黴(mei)是(shi)正(zheng)常(chang)現(xian)象(xiang)。有(you)時(shi)候(hou)養(yang)殖(zhi)戶(hu)認(ren)為(wei)買(mai)來(lai)的(de)濕(shi)玉(yu)米(mi)現(xian)磨(mo)現(xian)用(yong),對(dui)豬(zhu)沒(mei)有(you)影(ying)響(xiang),但(dan)這(zhe)樣(yang)必(bi)須(xu)保(bao)證(zheng)加(jia)工(gong)後(hou)儲(chu)存(cun)的(de)時(shi)間(jian)要(yao)短(duan),也(ye)就(jiu)是(shi)加(jia)工(gong)後(hou)盡(jin)快(kuai)用(yong)完(wan)。因(yin)為(wei)濕(shi)玉(yu)米(mi)在(zai)粉(fen)碎(sui)時(shi)都(dou)會(hui)發(fa)熱(re),溫(wen)度(du)升(sheng)高(gao)後(hou)發(fa)黴(mei)的(de)可(ke)能(neng)性(xing)更(geng)大(da)。
飼料發黴後,不管采取什麼措施,損失都是難以避免的。但並非陰雨的秋季就沒有辦法防止發黴了,還可以采取以下兩種方法:yishizaikufanglichucunbufenchenjiuyumi,zhishaokeyishiyongshitianbanyue。ershizhuyiyumidebaoguan。yinweiyumifameichushidudawai,haiyouyigeyinsushiyumilijianfengxitaixiao,wufajiangshuiqihereliangsanfachuqu;如果將玉米過風過篩,人為地增加玉米粒間縫隙,通風良好,發黴就會減輕。
三、蚊蠅危害
秋qiu天tian氣qi溫wen開kai始shi降jiang低di,夜ye間jian蒼cang蠅ying不bu再zai活huo動dong,但dan白bai天tian的de活huo動dong量liang仍reng然ran很hen大da,而er且qie這zhe時shi的de蒼cang蠅ying喜xi歡huan在zai夜ye間jian到dao溫wen度du更geng高gao的de豬zhu舍she裏li躲duo避bi,從cong外wai麵mian帶dai進jin病bing菌jun的de可ke能neng性xing更geng大da;lingwai,wenzihuiyinweiyushuidezengjiaerdaliangfanzhi,chuanbojibingdekenengxinggengda。tebieshiduiyinaomingandegongmuzhugengyingyinqizhuyi,yinweianchangguiyinaomianyiyibanshizaisiwuyuefen,daojiuyuefenshiyimiaodekangtiyijingxiajiang,yekenengbufenzhudekangtiliangyijingbuzuyidikangbingdudeqinhai。suoyi,yinyudeqiuji,yaojixujiaqiangduiwenyingdefangfan,yanfangzhubing。
四、呼吸道病增加
秋季,晝夜溫差變大,而豬舍保溫措施一般趕不上溫度的變化速度,這就容易使部分階段的豬處於不適宜的環境;erturanbianhuadeqihoutiaojian,wangwangjiushijibingbaofadedaohuosuo。yinweiqihoubianhua,shouxianrongyiyinqideshiganmao,erganmaomeiyoudedaojishizhiliaodehuakenengyinfazhiqiguanyanhuofeiyan;這樣呼吸係統的免疫功能下降,有害病菌如胸膜肺炎放線杆菌、fuzhushixueganjundengjiurongyiqinrujiti,yinqimianjigengdaweihaigengshendechuanranxingjibing,jineryinqiquanqunganran。suoyi,yufangqiudongjihuxidaobing,shouxianyaocongfangzhiganmaokaishi,gengweizhongyaodeshicongyufanghuanjingtubiankaishi。
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