防暑降溫
遮陽。豬舍要建在通風開闊地帶,在高溫季節來臨前,應在豬舍屋頂搭建涼棚,周圍栽種一些樹木、花草,不僅可以美化環境,而且可以遮擋陽光,降低圈舍溫度。
通tong風feng。在zai高gao溫wen環huan境jing下xia,豬zhu的de血xue液ye流liu向xiang皮pi膚fu,豬zhu的de體ti表biao溫wen度du升sheng高gao,加jia強qiang通tong風feng不bu僅jin能neng增zeng強qiang熱re量liang從cong體ti表biao帶dai走zou速su度du,也ye有you利li於yu排pai除chu夏xia季ji圈quan舍she內nei的de有you害hai氣qi體ti。建jian議yi有you條tiao件jian的de養yang殖zhi場chang(戶)采取機械通風,安裝吊扇或送風機等,保證豬舍內24小時空氣流通暢通。
飲(yin)水(shui)。炎(yan)熱(re)的(de)夏(xia)天(tian),豬(zhu)的(de)飲(yin)水(shui)大(da)增(zeng)。保(bao)證(zheng)充(chong)足(zu)的(de)飲(yin)水(shui)對(dui)於(yu)緩(huan)解(jie)熱(re)應(ying)激(ji)十(shi)分(fen)重(zhong)要(yao)。保(bao)證(zheng)豬(zhu)時(shi)常(chang)有(you)水(shui)喝(he),飲(yin)水(shui)的(de)溫(wen)度(du)盡(jin)量(liang)保(bao)持(chi)涼(liang)爽(shuang),直(zhi)接(jie)來(lai)自(zi)地(di)下(xia)深(shen)井(jing)的(de)水(shui)最(zui)好(hao),防(fang)止(zhi)水(shui)管(guan)、水箱在太陽照射下,導致飲水太熱。當舍溫過高時,可定時向豬體(分娩舍除外)、屋頂噴水降溫。一般當豬舍溫度在30℃以(yi)上(shang)時(shi),每(mei)小(xiao)時(shi)噴(pen)水(shui)降(jiang)溫(wen)一(yi)次(ci)。對(dui)於(yu)生(sheng)長(chang)育(yu)肥(fei)豬(zhu),可(ke)用(yong)深(shen)井(jing)水(shui)直(zhi)接(jie)噴(pen)淋(lin)到(dao)豬(zhu)體(ti)上(shang)降(jiang)溫(wen),但(dan)注(zhu)意(yi)不(bu)要(yao)噴(pen)淋(lin)豬(zhu)的(de)頭(tou)部(bu)。散(san)養(yang)戶(hu)可(ke)在(zai)豬(zhu)舍(she)一(yi)角(jiao)建(jian)一(yi)個(ge)淺(qian)水(shui)池(chi),讓(rang)豬(zhu)自(zi)由(you)到(dao)池(chi)內(nei)浸(jin)泡(pao)。
減jian少shao熱re輻fu射she。熱re輻fu射she是shi增zeng加jia豬zhu體ti熱re的de重zhong要yao熱re源yuan,夏xia季ji必bi須xu防fang止zhi太tai陽yang直zhi射she豬zhu體ti,可ke對dui豬zhu舍she的de屋wu頂ding做zuo隔ge熱re處chu理li,例li如ru用yong泡pao沫mo板ban吊diao頂ding,種zhong植zhi高gao大da喬qiao木mu,減jian少shao屋wu頂ding的de輻fu射she熱re。總zong之zhi,采cai取qu措cuo施shi,防fang止zhi頂ding棚peng太tai熱re。
加強飼養管理
在(zai)高(gao)溫(wen)條(tiao)件(jian)下(xia),豬(zhu)的(de)食(shi)欲(yu)和(he)采(cai)食(shi)量(liang)明(ming)顯(xian)降(jiang)低(di),直(zhi)接(jie)影(ying)響(xiang)豬(zhu)的(de)生(sheng)產(chan)性(xing)能(neng),特(te)別(bie)是(shi)對(dui)哺(bu)乳(ru)母(mu)豬(zhu)的(de)影(ying)響(xiang)最(zui)大(da)。因(yin)此(ci),夏(xia)季(ji)除(chu)了(le)仔(zai)豬(zhu)外(wai),應(ying)提(ti)高(gao)飼(si)料(liao)糧(liang)中(zhong)蛋(dan)白(bai)質(zhi)和(he)氨(an)基(ji)酸(suan)水(shui)平(ping),增(zeng)加(jia)維(wei)生(sheng)素(su)的(de)添(tian)加(jia)量(liang),盡(jin)量(liang)減(jian)少(shao)飼(si)料(liao)中(zhong)難(nan)消(xiao)化(hua)、產熱多的粗飼料的比例;不喂或少喂草粉,減少糠麩等;同tong時shi,盡jin可ke能neng采cai用yong濕shi料liao喂wei豬zhu法fa。飼si喂wei時shi間jian應ying選xuan擇ze一yi天tian中zhong比bi較jiao涼liang快kuai的de時shi間jian段duan,中zhong午wu和he下xia午wu豬zhu舍she溫wen度du非fei常chang高gao,豬zhu沒mei有you食shi欲yu。建jian議yi早zao晨chen早zao一yi點dian喂wei豬zhu,中zhong午wu少shao喂wei,下xia午wu晚wan一yi些xie喂wei豬zhu,夜ye間jian加jia喂wei一yi次ci,少shao給gei勤qin添tian,食shi槽cao不bu要yao有you剩sheng料liao。也ye可ke在zai飼si料liao中zhong添tian加jia酶mei製zhi劑ji,增zeng加jia消xiao化hua率lv,緩huan解jie熱re應ying激ji。
加強衛生管理
yangzhichangyouyuqiteshudehuanjingyinsuwuzhuowubijiaoduo,erqiecunzaiweishengsijiao,weicangyingjiqichongluandezishengchuangzaoletiaojian,yinciyangzhichangneidewenyingjiangchongluandengyixieyouhaiwuzhizhechuangyusiliaodengwuzhishang,daozhizhuqunfashengjibing,yeshizhuqunjibingchuanbode“良好”媒介,因此夏季一定做好蚊蠅的殺滅工作。
(1)每天清洗食槽和水槽1次,及時清除糞尿,豬舍及周圍場地進行有計劃的消毒。圈舍、飼具3天~5天消毒1次,周圍環境半月消毒1次,可選用1%來蘇兒、10%生石灰乳、2%燒堿等,豬體可用5%石炭酸噴霧。
(2)蚊蠅是許多傳染病的傳播媒介,如高致病性豬藍耳病、附紅細胞體病、豬乙型腦炎、豬弓形體病、圓環病毒病、疥蟎病、沙門氏菌病、豬痢疾、傳染性胃腸炎、偽狂犬病、蛔蟲病、布氏杆菌病、豬瘟等,因此要注意驅殺。可用0.1%敵百蟲液,也可選購專用殺蟲藥。門窗安裝防蚊蠅的紗網等。
減少其他應激
豬的抗應激能力很低,應激使豬的應激激素(如腎上腺皮質激素)fenmizengjia,budanzengjiazhurefuhe,yejiangdilezhumianyili。jinliangjianshaoduizhudegezhongyingji,rucubaoduidaizhu,pinfandihunqun,siweishijianhunluan,turangaibiansiliao、人員、環境等。
zongzhi,xiajigaowenduoshi,ruguosiyanghuanjingbuhao,huidaozhizhutidikanglixiajiang,rongyibeibingyuantiqinhaierfabing。yinci,xiajiyangzhuyingjiaqiangsiyangguanli,helidapeiriliang,gaishanshengzhudesiyanghuanjing。zhuyifangshujiangwen,qingjiehuanjingweisheng,dingqiduihuanjingyongjuxiaodu,qushawenyingjitibiaojishengchongdeng。jiaqiangzhudemianyijiezhong,genjubendiyiqinggaohaochengxuhuamianyigongzuo。faxianbingzhulijigelizhiliao,yongyaoyaoanliaochenggeiyao,bingjiaotishiyonggaominyaowu,bimianchanshengnaiyaoxing。bingsizhuzuoshenmaihuofenshaochuli,kongzhiyibingmanyan。
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