母mu羊yang懷huai孕yun後hou,一yi般ban表biao現xian性xing情qing溫wen馴xun,行xing動dong穩wen重zhong,食shi欲yu旺wang盛sheng,被bei毛mao光guang亮liang容rong易yi上shang膘biao。母mu羊yang懷huai孕yun初chu一yi個ge月yue左zuo右you,受shou精jing卵luan在zai定ding植zhi未wei形xing成cheng胎tai盤pan之zhi前qian,很hen容rong易yi受shou外wai界jie飼si喂wei條tiao件jian的de影ying響xiang,喂wei給gei母mu羊yang變bian質zhi、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、豆(dou)漿(jiang)或(huo)豆(dou)渣(zha)等(deng)富(fu)含(han)蛋(dan)白(bai)質(zhi)的(de)催(cui)乳(ru)飼(si)料(liao),以(yi)及(ji)青(qing)綠(lv)多(duo)汁(zhi)的(de)輕(qing)瀉(xie)性(xing)飼(si)料(liao),以(yi)防(fang)母(mu)羊(yang)產(chan)後(hou)缺(que)奶(nai)。此(ci)外(wai),懷(huai)孕(yun)母(mu)羊(yang)的(de)飼(si)料(liao)和(he)飲(yin)水(shui)要(yao)經(jing)常(chang)保(bao)持(chi)清(qing)潔(jie)衛(wei)生(sheng)。
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