犢du牛niu的de培pei育yu工gong作zuo是shi養yang牛niu工gong作zuo的de重zhong要yao環huan節jie之zhi一yi。由you於yu犢du牛niu生sheng理li調tiao節jie機ji能neng不bu完wan善shan,從cong而er決jue定ding了le初chu生sheng犢du牛niu飼si養yang管guan理li的de重zhong要yao性xing和he特te殊shu性xing,因yin此ci在zai飼si養yang管guan理li上shang應ying抓zhua好hao幾ji個ge方fang麵mian,以yi保bao證zheng犢du牛niu的de健jian康kang和he正zheng常chang生sheng長chang發fa育yu。
犢牛的接生 母mu牛niu分fen娩mian時shi,應ying先xian檢jian查zha胎tai位wei是shi否fou正zheng常chang,遇yu到dao難nan產chan及ji時shi助zhu產chan。胎tai位wei正zheng常chang時shi盡jin量liang讓rang其qi自zi由you產chan出chu,不bu強qiang行xing拖tuo拉la,以yi免mian損sun傷shang犢du牛niu和he母mu牛niu的de生sheng殖zhi道dao。犢du牛niu出chu生sheng後hou應ying立li即ji清qing除chu口kou鼻bi黏nian液ye,盡jin快kuai使shi小xiao牛niu呼hu吸xi,並bing輕qing壓ya肺fei部bu,以yi防fang粘zhan液ye進jin入ru氣qi管guan,造zao成cheng呼hu吸xi係xi統tong疾ji病bing。接jie著zhe,將jiang犢du牛niu的de臍qi帶dai在zai距ju離li腹fu部bu10厘米處剪斷,用5%的碘酒浸泡1—2分鍾,進行消毒,防止發生臍帶炎。
duniushenshangqitabuweidetaiyezuihaorangmuniutianganjing,yinweitaiyezhonghanyouduozhongjisu,nengcujinmuniutaiyizhengchangtuoluo,youliyuzigongjinkuaihuifu。muniutianduniushenshangtaiyedeguocheng,nengcujinduniuxueyexunhuan,shiduniujinkuaizhanqilai。
盡快喂上初乳 初chu乳ru營ying養yang豐feng富fu,其qi蛋dan白bai質zhi中zhong含han有you大da量liang免mian疫yi球qiu蛋dan白bai,對dui增zeng強qiang犢du牛niu抗kang病bing力li起qi關guan鍵jian作zuo用yong。初chu乳ru中zhong含han有you較jiao多duo的de鎂mei鹽yan,具ju有you輕qing瀉xie作zuo用yong,有you助zhu於yu犢du牛niu排pai出chu胎tai糞fen。初chu乳ru中zhong的de免mian疫yi球qiu蛋dan白bai必bi須xu以yi完wan整zheng的de蛋dan白bai形xing式shi吸xi收shou才cai有you價jia值zhi。初chu生sheng犢du牛niu可ke以yi吸xi收shou完wan整zheng的de蛋dan白bai分fen子zi,抗kang體ti的de吸xi收shou率lv在zai出chu生sheng後hou幾ji個ge小xiao時shi內nei急ji劇ju下xia降jiang,出chu生sheng24小時後犢牛無法吸收完整的抗體。一般做到在產後1—2小時內犢牛能夠飲到占體重6%的初乳,40kg左右的犢牛其量為2kg—2.5kg。第二次飼喂應在出生後6—9小時,每天即擠即喂,保證奶溫,初乳的飼喂溫度在35℃左右。變涼的初乳可用水浴熱水加熱,明火加熱易造成初乳的凝固,破壞其營養成分。
合理飼喂犢牛,首先應做到“四定”。①定質。喂給犢牛的奶必須是健康牛的奶,忌喂給劣質或變質的牛奶,也不要喂患乳房炎牛的奶。②定量。按體重的8%—10%確定,哺乳期為2個月時,前7天5kg,8—20天6kg,31—40天5kg,41—50天4.5kg,51—60天3.7kg,全期喂奶300kg。③定時。要固定喂奶時間,嚴格掌握,不可過早過晚。④定溫。指飼喂乳汁的溫度,一般夏天掌握34℃—36℃;冬天36℃—38℃。
犢牛的采食和飲水的訓練
幹草的飼喂 從出生後1zhoukaishi,zaiduniulandecaojiashangtianruyouzhigancao,renqiziyoujujiao,lianxicaishi。zaoqixunlianduniucaishigancao,keyicijiduniuliuweidefayu,bingkefangzhitianshizangwuwucao。
精料的飼喂 zaizheyijieduan,liuweijiqiweishengwuquxihaimeiyoufayuchengshu,xianweisuzailiuweizhongdexiaohuachengduyehenyouxian。yincisiweijingliaobichanggancaoduiliuweigongnengdefayugengyouxiao。chusheng10天後,可訓練犢牛吃精料。開始時可將精料塗抹在犢牛的口角、鼻或在奶桶內放入10—20克(1兩=50克),任其自由舔食。數日後可增加至80—100克。1月齡時喂料250—300克,2月齡時喂500克左右。精料采食的訓練是能否實現早期斷奶的關鍵,犢牛喂料要作好“四看”。①kanshicao。niudumeichijingshicaoneidesiliaobiantaitoumanmanzoukai,shuomingliaoliangguoda。rushicaodihebizhiliuxiaxiangdituyiyangdeliaozhatianji,shuomingweiliaoliangshizhong,ruguoshicaobeitiandexiangjingziyiyangganjing,shuomingweiliaobuzu。②看kan糞fen便bian。牛niu犢du糞fen便bian日ri漸jian增zeng多duo,糞fen便bian比bi吃chi純chun奶nai時shi較jiao粗cu稍shao稠chou,說shuo明ming料liao量liang正zheng常chang,如ru果guo犢du牛niu拉la出chu的de糞fen便bian像xiang粥zhou,說shuo明ming精jing料liao過guo量liang,如ru果guo糞fen便bian像xiang泔gan水shui一yi樣yang稀xi,並bing且qie臀tun部bu粘zhan糞fen則ze表biao明ming料liao量liang太tai大da,或huo料liao水shui太tai涼liang。這zhe時shi停ting喂wei兩liang次ci,給gei其qi添tian加jia粉fen狀zhuang玉yu米mi、麩皮等,拉稀可停止。③看食相。如果犢牛每天定時跑來尋食,說明喂料正常。如果犢牛吃淨食料後;在(zai)料(liao)槽(cao)前(qian)向(xiang)飼(si)養(yang)員(yuan)徘(pai)徊(huai)張(zhang)望(wang),不(bu)肯(ken)離(li)去(qu),說(shuo)明(ming)喂(wei)料(liao)不(bu)足(zu)。喂(wei)料(liao)時(shi),犢(du)牛(niu)不(bu)願(yuan)到(dao)槽(cao)前(qian)來(lai),飼(si)養(yang)員(yuan)呼(hu)喚(huan)也(ye)不(bu)理(li)會(hui),說(shuo)明(ming)上(shang)次(ci)喂(wei)料(liao)過(guo)多(duo),或(huo)有(you)其(qi)他(ta)問(wen)題(ti)。④kandufu。weishishi,ruguoniudufuxianhenmingxian,bukendaocaoqianchishi,shuomingniudukenengshouliangganmao。ruguoniudufuxianhenmingxian,shifanyingyeqianglie,dandaocaoqianzhishiwenwen,yihuierjiuzoukai,shuomingsiliaobianhuandabushikou,huoliaoshuiwenduguodi。ruguoduniudufupengzhang,buchishi,shuomingshangcichishiguoliang,ketingweiyici,jikehaozhuan。
在犢牛出生1周後,可以誘導其飲水。最初可先在水中加少量乳液,以引誘其飲喝。10天以內給36℃—37℃溫開水,10天以後給以常溫水,但水溫一般不能低於15℃。
斷奶技術 犢牛的哺乳期一般為兩個月,日喂奶3次。生長良好的犢牛可在40天時改為日喂兩次,喂奶4kg—4.5kg, 50天時改為日喂一次,喂奶3kg—3.5kg;較jiao小xiao或huo體ti弱ruo的de犢du牛niu應ying繼ji續xu飼si喂wei牛niu奶nai。犢du牛niu在zai斷duan奶nai期qi間jian,小xiao牛niu飼si料liao攝she入ru不bu足zu可ke造zao成cheng斷duan奶nai後hou的de最zui初chu幾ji天tian體ti重zhong下xia降jiang。無wu論lun在zai哪na一yi月yue齡ling斷duan奶nai這zhe一yi體ti重zhong下xia降jiang都dou會hui發fa生sheng。因yin此ci,不bu應ying試shi圖tu延yan遲chi斷duan奶nai以yi企qi圖tu獲huo得de較jiao好hao的de過guo渡du期qi,而er應ying努nu力li促cu使shi小xiao牛niu盡jin早zao攝she入ru飼si料liao。小xiao牛niu斷duan奶nai後hou10天應仍放在單獨的畜籠內,直到小牛沒有吃奶要求為止。
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