1、整修欄舍、防寒保暖
懷孕牛應有單獨的欄舍,以免擁擠、踢打造成流產。欄舍要堵塞漏洞,向陽避風,不漏雨,不潮濕。經常更換墊草,在晴朗的中午,放牛到舍外活動和曬太陽。
2、加強營養,精心飼養
muniuhuaiyunhou,chuleweichizishensuoxuyaodeyingyangwai,haixuyaogonggeitaiershengchangfayudeyingyangxuyao,tongshihaiyaojizhuyidingdeyangfenbaozhengchanshengmiru。yinci,meiriyaobuwei1-2千克精料。有條件的可喂給混合精料,其配合比例為玉米30%,豆餅20%,稻穀15%,棉籽餅15%,菜籽餅5%,米糠15%,還要適當添加一些骨粉和食鹽,做到定時、定量、少shao給gei勤qin添tian,不bu要yao喂wei發fa黴mei的de飼si料liao。飲yin水shui要yao清qing潔jie,注zhu意yi不bu要yao飲yin空kong肚du水shui和he冰bing渣zha水shui,最zui好hao喂wei溫wen熱re水shui。無wu雨yu天tian,應ying堅jian持chi趕gan牛niu上shang山shan放fang牧mu,放fang牧mu既ji能neng讓rang牛niu吃chi上shang青qing飼si料liao,又you可ke增zeng加jia運yun動dong量liang,有you利li於yu牛niu的de健jian康kang。放fang牛niu要yao選xuan擇ze背bei風feng向xiang陽yang的de灌guan木mu叢cong中zhong,不bu要yao讓rang孕yun牛niu采cai食shi霜shuang草cao。飼si料liao要yao多duo樣yang化hua,適shi口kou性xing強qiang,易yi消xiao化hua。由you於yu冬dong季ji舍she飼si一yi般ban以yi幹gan草cao、稻dao草cao等deng粗cu料liao為wei主zhu,要yao注zhu意yi飼si料liao的de調tiao製zhi,最zui好hao能neng製zhi作zuo氨an化hua飼si料liao喂wei牛niu,這zhe樣yang既ji可ke提ti高gao適shi口kou性xing,又you能neng增zeng加jia營ying養yang。如ru補bu飼si時shi蛋dan白bai質zhi飼si料liao缺que乏fa,可ke采cai用yong尿niao素su飼si料liao飼si喂wei,它ta可ke以yi補bu充chong蛋dan白bai的de不bu足zu,尿niao素su每mei日ri用yong量liang可ke按an牛niu體ti重zhong每mei100千克補充40克為宜。
3、預防流產,確保母仔健康
冬季懷孕母牛飼養管理不當易發生流產,其征兆為懷孕前期陰道流出粘液,不斷回頭看腹部,起臥不安;懷孕後期表現乳腺腫大,拱腰,屢作排尿姿勢,腹痛明顯,胎動停止。治療時可用黃體酮肌肉注射0.5-1克,每日1次,連用4-6日,可收到良好的效果。
4、適當運動,合理使役
懷孕母牛到懷孕中期,應逐漸減輕使役強度,在使役中嚴禁抽冷鞭,趕急活,轉急彎,要緩緩使役,臨產前1個(ge)月(yue)停(ting)止(zhi)使(shi)役(yi),以(yi)免(mian)造(zao)成(cheng)流(liu)產(chan),對(dui)完(wan)全(quan)舍(she)飼(si)不(bu)使(shi)役(yi)的(de)懷(huai)孕(yun)母(mu)牛(niu)在(zai)天(tian)晴(qing)有(you)太(tai)陽(yang)時(shi),應(ying)牽(qian)到(dao)外(wai)麵(mian)適(shi)當(dang)運(yun)動(dong),以(yi)增(zeng)強(qiang)體(ti)質(zhi),防(fang)止(zhi)難(nan)產(chan),輕(qing)度(du)難(nan)產(chan)可(ke)用(yong)腦(nao)垂(chui)體(ti)後(hou)葉(ye)激(ji)素(su)進(jin)行(xing)催(cui)產(chan),一(yi)次(ci)皮(pi)下(xia)注(zhu)射(she)60-100單位。
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