chujidesiyangguanlibujinzhijieyingxiangqishengchangfayu,haiguanxidaojianglaideshengchanxingneng,suoyiyuchuqishijiqunshengchangdeguanjianshiqi。dongchunjiyangzhiroujiyuchuyouyuqiwen較低,需要加強對雛雞的綜合飼養管理,才能培育出健壯、活huo潑po和he發fa育yu良liang好hao的de雛chu雞ji,這zhe對dui發fa揮hui和he提ti高gao雞ji的de和he生sheng產chan性xing能neng是shi非fei常chang重zhong要yao的de。筆bi者zhe根gen據ju多duo年nian的de生sheng產chan實shi踐jian經jing驗yan,結jie合he養yang禽qin學xue的de原yuan理li,總zong結jie出chu冬dong春chun季ji肉rou雞ji育yu雛chu八ba項xiang關guan鍵jian管guan理li技ji術shu要yao點dian。
1、要盡快供給清潔飲水
雛雞運到育雛舍後,稍作休息應該即刻飲水,因為出雛時間需24h,jiashangchangtudeyunshu,chujixiaohaohenda,yingjinzaoyinshui。jinzaoyinshuikebuchongchujichukeshitineisuohaoqudeshuifen,cujinchangdaorudong。paichutaifen,hainengcujinxinchendaixie,jiacuxishoushengyudedanhuang,yizengqiangshiyugan。di1周內忌用涼水,要飲溫開水(保持20℃左右),加入複合維生素和5%葡萄糖,如果雛雞孵出時間較長或雛雞軟弱,可在開食前的飲水中加人一定量的補液鹽,可起到提高雛雞成活率的作用。1周(zhou)後(hou)飲(yin)清(qing)潔(jie)的(de)涼(liang)水(shui)即(ji)可(ke)。飲(yin)水(shui)量(liang)一(yi)定(ding)要(yao)充(chong)足(zu),經(jing)常(chang)保(bao)持(chi)有(you)水(shui),隨(sui)時(shi)自(zi)由(you)飲(yin)水(shui),絕(jue)不(bu)可(ke)間(jian)斷(duan)飲(yin)水(shui)。水(shui)質(zhi)要(yao)符(fu)合(he)衛(wei)生(sheng)標(biao)準(zhun),飲(yin)水(shui)器(qi)要(yao)定(ding)期(qi)洗(xi)刷(shua)消(xiao)毒(du)。20日齡後最好用乳頭飲水器,既衛生又節水。乳頭飲水器比水槽節約用水80 oA~85%,既減少了水費又能保持舍內幹燥、清潔衛生,減少疾病傳播。用水槽飲水一定要保持平穩、不漏水、不溢水。
2、要在出殼後12~24 h開食
在雛雞飲水後即可進行開食,雛雞出殼後開飼時間最晚不要超過12~24h,juebuyaorenweituichikaisishijian。kaisishijianyuezaoyuehao。kaishishijianbunengguowan,fouzechujixiaohaotiliguoduo,rongyidaozhixuruohetuoshui,yingxiangshengchangfayu,jiangdichenghuolv。chushengchujixiaohuaqiguanshangbufada,weichangrongjijiaoxiao,kaishisiliaoyaoqiuyingyangfengfu、易消化、shikouxingqiangqiebianyuzhuoshi。siliaokeliyaocuxishidu,huozheyongkeliposuiliaokaishi,yekeyongyumifenhuoxiaomizuoweikaishiliao。yihousuizherilingdezengchang,anzhaobutongshengchangfayujieduangenghuanbutongshiqidepeiheliao,yimanzuqishengchangfayuxuyao。genghuansiliaoyingzhubugenghuan,rangjiyouyidingdeshiyingguocheng,yimianyinriliangturangaibianeryinqixiaohuabuliang,yingxiangshengchangfayu。chujidi1zhouyongkaishipan,chuciweiliaokejiangsiliaojunyundisazaisiliaopanzhonghuoniupizhishang,rangchujiziyoucaishi。duishangbuzhidaocaishidechuji,yingduocijiangqiweilongdaoyousiliaodedifang,rangqixuezhechiliao。jisiweiyingzuodaodingshidingliang,yiban1~3 d每2 h給料1次,夜間給料1次,3 d後每晝夜6~8次,後期每天3次。第2周(zhou)後(hou)改(gai)為(wei)料(liao)桶(tong),喂(wei)料(liao)器(qi)具(ju)要(yao)充(chong)足(zu)且(qie)高(gao)度(du)與(yu)雞(ji)背(bei)相(xiang)等(deng),要(yao)隨(sui)著(zhe)雞(ji)生(sheng)長(chang)的(de)體(ti)高(gao)而(er)調(tiao)整(zheng)喂(wei)料(liao)器(qi)的(de)高(gao)度(du),這(zhe)樣(yang)既(ji)便(bian)於(yu)采(cai)食(shi)和(he)減(jian)少(shao)飼(si)料(liao)浪(lang)費(fei),也(ye)可(ke)防(fang)止(zhi)飼(si)料(liao)汙(wu)染(ran)。
3、要保持合理的溫度
冬春季氣候寒冷,溫度較低,保持適宜的溫度是育雛成功的首要條件。1周齡內的雛雞舍溫為32~35℃,適當的高溫育雛(3日齡內),有利於卵黃的吸收,減少白瘌的發生。1周齡後每周遞減2~3℃,直至舍溫2l℃為(wei)止(zhi),且(qie)該(gai)溫(wen)度(du)要(yao)保(bao)持(chi)到(dao)育(yu)雛(chu)結(jie)束(shu)。溫(wen)度(du)是(shi)否(fou)合(he)適(shi),不(bu)能(neng)隻(zhi)是(shi)用(yong)溫(wen)度(du)計(ji)測(ce)量(liang),重(zhong)要(yao)的(de)是(shi)看(kan)雛(chu)雞(ji)的(de)活(huo)動(dong)表(biao)現(xian),做(zuo)到(dao)看(kan)雞(ji)施(shi)溫(wen)。溫(wen)度(du)過(guo)低(di)時(shi),雛(chu)雞(ji)行(xing)動(dong)緩(huan)慢(man),羽(yu)毛(mao)蓬(peng)鬆(song),身(shen)體(ti)發(fa)抖(dou),聚(ju)集(ji)在(zai)熱(re)源(yuan)下(xia),不(bu)時(shi)發(fa)出(chu)唧(ji)唧(ji)的(de)淒(qi)慘(can)叫(jiao)聲(sheng);溫度過高時,雛雞散開,張口喘氣,食欲減少,飲水量增加,甚至張嘴喘息;溫度過低,雛雞睡眠不安,發出“嘰嘰”叫聲,常常擁擠在一起,甚至紮堆,時間稍長造成大批雛雞壓死現象。溫度適當,則雛雞活潑好動、食欲旺盛、精神良好,羽毛光滑整潔。實踐證明,保持適當的育雛溫度,對控製雛雞白痢病、球蟲病的發生,對促進卵黃囊的吸收利用,提高雛雞育雛成活率都有明顯的效果。
4、要掌握好適當的濕度
育雛的地方濕度一定不能太高,濕度高給致病細菌和寄生蟲卵的繁殖創造了條件,尤其易誘使球蟲病、大腸杆菌病、黴菌病的發生,影響雛雞的健康和成活率。1周內,育雛室內的濕度必須達到60%~70%,1周以後雛雞體重增大,水份代謝增加,溫度要降低到55%~60%,這有利於雛雞生長發育。過濕高溫環境下雛雞食欲減退,患病增加,生長速度下降;過幹濕度低於40%時,雞呼吸係統疾病增多,增重受影響。隨著小雞的采食量、飲水量、呼吸量、排糞量等逐日增加,很容易造成室內潮濕,因此,每天要勤換墊料,在潮濕季節要求每天更換墊料1~2次;yinshuiqibuloushui,yibaochiganzao,zuijibendeyaoqiushibaochiyuchushedimianganzao,zainanfangdiquyouyingzhuyifangchaofangshi。jingchangchaoshidediqu,jisheyingjianzhuzaidishijiaogaodedifang,zuihaogaoyuchupeng。jinkenengjiangshidukongzhizai55%~60%。
5、保證合適的飼養密度
保證雞群健康生長發育,與飼養密度也有直接關係。雛雞飼養密度大時,育雛舍內空氣汙濁、氨味大,濕度高,衛生環境差,吃食擁擠;qiangshuiqiangliao,jibaobujun,cancichujizengduo,epiyanzhong,rongyifabing。siyangmiduxiaoshi,duichujishengchangfayuyouli,danbuliyushebeidechongfenliyonghelaolidehelishiyong,suoyichujisiyangmiduyebushiyuxiaoyuhao。yibanqingkuangshidi1周30隻/m2,第2周25隻/m2,第3周20隻/m2,第4周15隻/m2,5~6周時10隻/m2左右。
6、保持雞舍內空氣新鮮流通
隨著雞群的生長發育,氧氣的需要量不斷地增加,通風換氣顯得尤為重要。通過空氣流通可將雞舍內的一氧化碳、二氧化碳、氨氣、硫化氫等有害氣體排出。可以調節舍內的溫度、濕度。1周(zhou)齡(ling)以(yi)後(hou)應(ying)開(kai)始(shi)不(bu)同(tong)程(cheng)度(du)地(di)通(tong)風(feng)。如(ru)果(guo)舍(she)內(nei)通(tong)風(feng)不(bu)良(liang),有(you)害(hai)氣(qi)體(ti)在(zai)雞(ji)舍(she)內(nei)含(han)量(liang)較(jiao)高(gao),可(ke)降(jiang)低(di)雞(ji)隻(zhi)的(de)抵(di)抗(kang)力(li),特(te)別(bie)是(shi)氨(an)氣(qi)會(hui)直(zhi)接(jie)刺(ci)激(ji)雞(ji)的(de)呼(hu)吸(xi)係(xi)統(tong),使(shi)其(qi)呼(hu)吸(xi)不(bu)暢(chang),阻(zu)礙(ai)雞(ji)隻(zhi)生(sheng)長(chang)發(fa)育(yu),誘(you)發(fa)呼(hu)吸(xi)係(xi)統(tong)疾(ji)病(bing),甚(shen)至(zhi)使(shi)雛(chu)雞(ji)失(shi)明(ming)。通(tong)風(feng)之(zhi)前(qian)先(xian)提(ti)高(gao)室(shi)溫(wen)2~3℃,tongfenghuanqishijianyingxuanzezaiqingtianzhongwuqianhou,yinghuanmanjinxing,menchuangkaiqiduyingcongxiaodaoda,zuihouchengbankaizhuangtai,yaobimianzeifengdexiji,qiebuketuranjiangmenchuangdakai,shishiwenturanxiajiang。
7、做好雛雞的疫病預防工作
因(yin)雛(chu)雞(ji)抗(kang)病(bing)力(li)差(cha),易(yi)感(gan)染(ran)病(bing)源(yuan)引(yin)起(qi)發(fa)病(bing),有(you)些(xie)病(bing)發(fa)生(sheng)後(hou)難(nan)以(yi)確(que)診(zhen),因(yin)此(ci)要(yao)求(qiu)養(yang)雞(ji)戶(hu)在(zai)加(jia)強(qiang)飼(si)管(guan)的(de)同(tong)時(shi)還(hai)要(yao)根(gen)據(ju)疫(yi)病(bing)流(liu)行(xing)情(qing)況(kuang)製(zhi)定(ding)合(he)理(li)的(de)免(mian)疫(yi)接(jie)種(zhong)程(cheng)序(xu),來(lai)控(kong)製(zhi)雞(ji)各(ge)種(zhong)傳(chuan)染(ran)病(bing)的(de)發(fa)生(sheng)流(liu)行(xing)。控(kong)製(zhi)疫(yi)病(bing)發(fa)生(sheng)是(shi)育(yu)好(hao)雛(chu)雞(ji)的(de)重(zhong)要(yao)保(bao)證(zheng)。雛(chu)雞(ji)個(ge)體(ti)小(xiao)、抗病力差,一旦發生疫病,則傳染快、死亡率高、損失大。雞舍使用前應徹底消毒,設備、工具等要經常清洗,定期消毒。1日齡雛雞皮下注射雞馬立克氏病疫苗;開食前可用鏈黴素滴鼻,每隻雛雞2 000~4 000 IU,預防上呼吸道疾病;開食第1 d可用0.02%痢特靈或0.03%氟呱酸拌料連喂5~7d。出殼後1~2周可用新城疫Ⅱ係弱毒疫苗滴鼻預防雞瘟;2周後在飲水中加入0.1%痢特靈連用5~7 d預防球蟲病;3周齡時再用新城疫Ⅱ係苗滴鼻,3月齡時用新城疫I係苗注射強化免疫。
8、要做好斷喙工作
斷喙是雛雞管理中的常規工作。沒有斷喙的雞,在遇到營養缺乏、空氣新鮮、雞ji群qun密mi度du過guo大da的de情qing況kuang下xia,容rong易yi導dao致zhi互hu啄zhuo而er造zao成cheng死si亡wang,或huo將jiang互hu啄zhuo的de惡e習xi帶dai到dao產chan蛋dan期qi,致zhi使shi生sheng產chan水shui平ping下xia降jiang。因yin此ci,斷duan喙hui是shi很hen有you必bi要yao的de。斷duan喙hui時shi間jian在zai7~10日齡較為合適,用斷喙器將雞上喙斷去1/2,下喙斷去1/3(指鼻孔到喙尖的距離)。斷喙前後2 d要在飲水中加入或飼料中添加VK和VCyijikangjunsu,qixiaoyanhezhixuezuoyong,bingkejianshaoduanhuiyingjiqi。duanhuihouyaojiangsicaozhongliaodehouduzengjia,zhidaoshangkouyuhe。duanhuiyaozaijiqunjiankangzhuangkuangxiajinxing,yifanggengdadeyingji。
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