muyanghuaiyunhou,yibanbiaoxianxingqingwenxun,xingdongwenzhong,shiyuwangsheng,beimaoguangliangrongyishangbiao。muyanghuaiyunchuyigeyuezuoyou,shoujingluanzaidingzhiweixingchengtaipanzhiqian,henrongyishouwaijiesiweitiaojiandeyingxiang,weigeimuyangbianzhi、發黴或有毒的飼料,容易引起胚胎早期死亡;母羊的日糧營養不全麵,缺乏蛋白質、weishengsuhekuangwuzhideng,yekenengyinqishoujingluanzhongtutingzhifayu,suoyimuyanghuaiyunchuyigeyuezuoyoudesiyangguanlishibaozhengtaierzhengchangshengchangfayudeguanjianshiqi。cishitaiershangxiao,muyangsuoxudeyingyangwuzhisuiyaoqiubugao,danbixuxiangduiquanmian,zaifangmuhequanyangdesiyangtiaojianxia,yibanlaishuomuyangcaishiyounenmucaonengdadaobaofujikemanzuqiyingyangxuyao,danzaiqiuhou、dongjihezaochun,mudicaozhikuweiculao,duoshuyangzhihuyishaigancaohenongzuowujiegandengculiaobuweimuyangdefangmubuzu,youyumuyangcaishisicaozhongyingyangwuzhidejuxianxing,jishimuyangfangmuhebuweicaishinengdadaobaofuyebunengmanzuqiyingyangxuyao,yangzhihuzeyinggenjumuyangdeyingyangzhuangkuangshidangdibuweijingliao。
母羊懷孕2個月後,隨著懷孕月份的增加,胎兒發育逐漸加快,應逐漸增加補喂精料的飼喂量,可用黃豆40%、玉米30%、大麥20%、小麥10%,用溫水浸泡6~8小時,磨成漿,再添加相當於黃豆等飼料總量10%~15%豆餅、5%~8%糠麩、1%食鹽、3%~5%骨粉,每天給孕羊補喂2~3次,每次每隻羊喂給混合精料50~100克,青年母羊還應適當地增加精料喂量。母羊懷孕3個(ge)月(yue)後(hou),孕(yun)羊(yang)飼(si)喂(wei)飼(si)草(cao)的(de)總(zong)容(rong)積(ji)要(yao)適(shi)當(dang)地(di)加(jia)以(yi)控(kong)製(zhi),給(gei)羊(yang)補(bu)喂(wei)飼(si)草(cao)和(he)添(tian)加(jia)精(jing)料(liao)應(ying)做(zuo)到(dao)少(shao)喂(wei)勤(qin)添(tian),以(yi)防(fang)一(yi)次(ci)性(xing)喂(wei)量(liang)過(guo)多(duo)壓(ya)迫(po)胎(tai)兒(er)而(er)影(ying)響(xiang)正(zheng)常(chang)生(sheng)長(chang)發(fa)育(yu)。
母羊懷孕4個月以後,胎兒體重已達到了羔羊出生時體重的60%~70%,同tong時shi母mu羊yang還hai要yao積ji貯zhu一yi定ding量liang的de營ying養yang物wu質zhi以yi備bei產chan後hou哺bu乳ru。一yi般ban在zai此ci階jie段duan進jin行xing攻gong胎tai補bu料liao,精jing料liao的de飼si喂wei量liang應ying增zeng加jia到dao懷huai孕yun前qian期qi的de兩liang倍bei左zuo右you,而er飼si喂wei的de飼si草cao和he補bu喂wei的de精jing料liao要yao力li求qiu新xin鮮xian、多樣化,幼嫩的牧草、胡蘿卜等青綠多汁飼料則可多喂。禁止喂給馬鈴薯、酒糟和未經去毒處理的棉籽餅或菜籽餅,並禁喂黴爛變質、過冷或過熱、酸性過重或摻有麥角、毒草(如鬧陽花、無刺含羞草等)的飼料,以免引起母羊流產、難產和發生產後疾病。
母羊產前一個月左右,應適當控製粗料的飼喂量,盡可能喂給些質地柔軟的飼料,如氮化、微貯或鹽化秸稈、青綠多汁飼料,精料中增加麩皮喂量,以利通腸利便。母羊分娩前10天左右,應根據母羊的消化、食欲狀況,減少飼料的喂量。產前2~3天,母羊體質好,乳房膨脹大並伴有腹下水腫,應從原日糧中減少1/3~1/2的飼料喂量,以防母羊分娩初期乳量過多或乳汁過濃而引起母羊乳房炎、回乳和羔羊消化不良而下痢;對於比較瘦弱的母羊,如若產前一星期乳房幹癟,除減少粗料喂量外,還應適當增加麻餅、豆餅、doujianghuodouzhadengfuhandanbaizhidecuirusiliao,yijiqinglvduozhideqingxiexingsiliao,yifangmuyangchanhouquenai。ciwai,huaiyunmuyangdesiliaoheyinshuiyaojingchangbaochiqingjieweisheng。
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