秋冬季節是雞呼吸道疾病的高發期,占臨床病例的70%左右,許多傳染性疾病均會引起呼吸道症狀,進入秋冬季節氣候變化大、晝夜溫差較大,雞舍密閉過嚴通風不良使雞舍內氨氣、硫化氫、塵埃含量超標引起呼吸道黏膜的損傷,使雞群出現呼嚕、喘息、咳嗽、甩鼻、pentidenghuxidaozhengzhuangbingyinqichandanliangxiajiang,jixingdanzengduo,sitaolvzenggao,duiyangjishengchanzaochengjudajingjisunshi。yinci,qiudongjijiezuohaohuxidaojibingdefangkongduiyutigaodanjideshengchanxingnengzengjiayangzhixiaoyijuyouzhongyaodeyiyi。
qiudongjijieziranhuanjingshiyi,shiheyubingyuanweishengwudeshengchangfanzhihecunhuo。zaijiashangqiudongjijieqihouduobian,zhouyewenchada,jishewenduhugaohudi,yiduijizaochengpinfandehuanjingyingji;氣候幹燥,風力較大,也對呼吸道黏膜損傷加劇;並且大多雞舍在秋冬季節密閉過嚴,保溫和通風不易協調,導致雞舍內氨氣、硫化氫、塵(chen)埃(ai)含(han)量(liang)超(chao)標(biao),刺(ci)激(ji)呼(hu)吸(xi)道(dao)黏(nian)膜(mo),引(yin)起(qi)呼(hu)吸(xi)道(dao)纖(xian)毛(mao)出(chu)現(xian)水(shui)腫(zhong)出(chu)血(xue)或(huo)壞(huai)死(si),使(shi)呼(hu)吸(xi)道(dao)黏(nian)膜(mo)的(de)天(tian)然(ran)屏(ping)障(zhang)消(xiao)失(shi)。故(gu)秋(qiu)冬(dong)季(ji)節(jie)是(shi)許(xu)多(duo)傳(chuan)染(ran)病(bing)的(de)高(gao)發(fa)期(qi),病(bing)毒(du)性(xing)傳(chuan)染(ran)病(bing)如(ru)雞(ji)新(xin)城(cheng)疫(yi)、禽流感、傳染性支氣管炎、傳染性喉氣管炎,細菌性傳染病如支原體、傳染性鼻炎、曲qu黴mei菌jun等deng。在zai生sheng產chan中zhong最zui常chang見jian的de呼hu吸xi道dao疾ji病bing的de發fa生sheng與yu環huan境jing因yin素su密mi不bu可ke分fen,因yin不bu良liang環huan境jing因yin素su使shi雞ji的de抵di抗kang力li下xia降jiang,細xi菌jun病bing毒du有you機ji可ke乘cheng引yin起qi雞ji群qun發fa病bing。雞ji的de呼hu吸xi道dao疾ji病bing具ju有you很hen強qiang的de傳chuan染ran性xing,對dui雞ji危wei害hai較jiao大da,輕qing者zhe導dao致zhi生sheng長chang受shou阻zu,生sheng產chan性xing能neng下xia降jiang,死si淘tao率lv增zeng高gao,降jiang低di經jing濟ji效xiao益yi,重zhong者zhe可ke能neng全quan軍jun覆fu沒mei,給gei養yang殖zhi戶hu造zao成cheng無wu法fa挽wan回hui的de經jing濟ji損sun失shi。因yin此ci,秋qiu冬dong季ji節jie做zuo好hao呼hu吸xi道dao疾ji病bing的de防fang控kong對dui於yu提ti高gao養yang殖zhi戶hu的de養yang殖zhi效xiao益yi具ju有you十shi分fen重zhong要yao的de意yi義yi。
1.加強飼養管理,改善飼養環境
供給全價優質的飼料和清潔的飲水,在水中添加適量的電解多維,以抵抗各種環境應激增強機體抵抗力;秋qiu冬dong季ji節jie天tian氣qi變bian化hua無wu常chang晝zhou夜ye溫wen差cha大da,易yi受shou寒han流liu襲xi擊ji,開kai放fang式shi雞ji舍she要yao注zhu意yi夜ye間jian關guan窗chuang和he保bao溫wen工gong作zuo,處chu理li好hao保bao溫wen和he通tong風feng的de關guan係xi,保bao證zheng雞ji舍she空kong氣qi新xin鮮xian,同tong時shi要yao注zhu意yi飼si養yang密mi度du,改gai善shan飼si養yang環huan境jing,減jian少shao各ge種zhong應ying激ji,減jian少shao呼hu吸xi道dao損sun傷shang。
因秋冬季節雞舍密閉過嚴,導致雞舍內氨氣、硫化氫、塵chen埃ai含han量liang超chao標biao引yin起qi呼hu吸xi道dao黏nian膜mo的de天tian然ran屏ping障zhang消xiao失shi和he局ju部bu免mian疫yi屏ping障zhang消xiao失shi,使shi病bing原yuan微wei生sheng物wu有you機ji可ke乘cheng,因yin此ci,在zai秋qiu冬dong季ji節jie要yao及ji時shi清qing糞fen,雞ji舍she內nei外wai要yao勤qin清qing掃sao,保bao持chi雞ji舍she衛wei生sheng,在zai晴qing天tian的de中zhong午wu要yao加jia強qiang通tong風feng,飲yin水shui槽cao要yao及ji時shi洗xi刷shua,同tong時shi每mei周zhou用yong兩liang種zhong以yi上shang消xiao毒du藥yao進jin行xing帶dai雞ji消xiao毒du,采cai取qu上shang述shu措cuo施shi,對dui於yu保bao護hu呼hu吸xi道dao黏nian膜mo的de完wan整zheng性xing,減jian少shao雞ji舍she內nei病bing原yuan微wei生sheng物wu的de數shu量liang有you著zhe積ji極ji的de作zuo用yong。可ke有you效xiao減jian少shao秋qiu冬dong季ji節jie呼hu吸xi道dao疾ji病bing發fa生sheng。
2.加強雞群的免疫接種和隔離工作
jinruqiudongjijie,shixuduochuanranbingdegaofaqi,yincijinruqiudongjijieyaozuohaohuxidaochuanranbingmianyijiezhonggongzuo,shiqinqunkangtishuipingbaochizaiyigejiaogaodeshuiping,tebieyaozuohaoqinliugan、新城疫、傳染性支氣管炎、傳染性喉氣管炎的免疫工作,產蛋雞高峰過後,進入秋冬季節要進行H5N1、H9N2亞型禽流感滅活疫苗免疫工作,新城疫、傳染性支氣管炎可用活苗,每1~2個(ge)月(yue)進(jin)行(xing)一(yi)次(ci)飲(yin)水(shui)免(mian)疫(yi),在(zai)做(zuo)好(hao)免(mian)疫(yi)工(gong)作(zuo)的(de)前(qian)提(ti)下(xia)要(yao)加(jia)強(qiang)隔(ge)離(li)工(gong)作(zuo),因(yin)秋(qiu)冬(dong)季(ji)節(jie)是(shi)許(xu)多(duo)傳(chuan)染(ran)病(bing)的(de)高(gao)發(fa)期(qi),我(wo)國(guo)散(san)養(yang)雞(ji)數(shu)量(liang)較(jiao)大(da),因(yin)此(ci)做(zuo)好(hao)人(ren)員(yuan)、用具及交通運輸車輛的消毒工作,無關人員嚴禁進入生產區,同時做好飛鳥、候鳥及其他動物進入生產區,可以有效防止傳染性疾病病原體進入雞場,對減少呼吸道疾病的發生具有重要意義。
3.定期使用呼吸道預防藥物
冬季是呼吸道疾病的高發期,同時在此季節通風不良、雞舍環境較差、氣候多變等為支原體、傳染性鼻炎等細菌性條件性呼吸道疾病病源提供有利條件,因此,在秋冬季節每月用3天強力黴素進行預防,對於減少呼吸道疾病發生具有重要意義。
4.發病後處理
秋qiu冬dong季ji節jie一yi旦dan發fa生sheng呼hu吸xi係xi統tong疾ji病bing要yao及ji時shi請qing獸shou醫yi部bu門men及ji時shi診zhen斷duan,確que定ding病bing情qing後hou采cai取qu合he理li治zhi療liao,養yang殖zhi戶hu不bu要yao盲mang目mu用yong藥yao而er影ying響xiang疾ji病bing的de控kong製zhi,貽yi誤wu治zhi療liao時shi機ji,造zao成cheng不bu必bi要yao的de經jing濟ji損sun失shi。
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