目前飼養繁殖母畜(母豬、母羊、母牛、母馬、母驢等)和乳用母畜(奶牛、奶山羊)denonghuzengduo,zheshijiandahaoshi,duichumuyekuaisufazhanhoujindiandinglelianghaodejichu。danzaifanzhimuchuheruyongmuchudesiyangguochengzhong,youdequefajingyan,cunzaizheyidingdejishuwentihequeshaoyouxiaodecuoshi,zhishichuxianmuchumiruliangbugaoheruzhizhiliangchadexianxiang,zhijieyingxianglezaichudezhengchangshengchangfayujichenghuolv、乳用母畜的產奶量。為此,現將提高母畜泌乳量的5項有效措施介紹如下:
一、加強母畜懷孕後期的飼養
大da家jia知zhi道dao,家jia畜chu的de胚pei胎tai發fa育yu是shi懷huai孕yun前qian期qi生sheng長chang很hen慢man,但dan懷huai孕yun後hou期qi生sheng長chang很hen快kuai,這zhe是shi各ge種zhong家jia畜chu胚pei胎tai發fa育yu的de共gong同tong規gui律lv。根gen據ju這zhe一yi規gui律lv,母mu畜chu在zai懷huai孕yun前qian期qi對dui營ying養yang的de需xu要yao量liang並bing不bu大da,主zhu要yao是shi要yao求qiu高gao質zhi量liang的de營ying養yang,以yi保bao證zheng胚pei胎tai初chu期qi各ge組zu織zhi器qi官guan的de形xing成cheng和he發fa育yu。但dan在zai懷huai孕yun後hou期qi,特te別bie是shi懷huai孕yun最zui後hou1~2geyue,taiershengchangguochengdadadichaoguofenhuaguocheng,shengchangjiweixunsu,zheshimuchuxuyaodaliangdeyingyangwuzhi,yibaozhengtaiershengchang。daliangdeshengchanshijianzhengming,jiaqiangmuchuhuaiyunhouqidesiyang,shidangtigaoyingyangshuiping,duiyutigaotaierchushengzhongliang、改善母畜膘情和增加產後的泌乳量等都具有重大的意義。因此,對於乳牛幹乳期(一般是產前50~60天左右)和母豬懷孕最後一個月的飼養,必須根據它們的膘情,食欲、消化及乳房膨脹的情況等,給予豐富的營養,爭取做到喂得好、喂得巧。
二、注意產後泌乳高峰期的飼養與保持泌乳期豐富營養相結合
母畜產後泌乳量很快就上升到高峰期(豬一般在產後第5~20天,乳牛在產後第15~60天),這zhe是shi母mu畜chu泌mi乳ru性xing能neng的de特te點dian,也ye是shi母mu畜chu泌mi乳ru力li最zui充chong分fen表biao現xian的de時shi期qi。而er這zhe一yi時shi期qi對dui母mu畜chu加jia強qiang飼si養yang,增zeng加jia營ying養yang,可ke以yi獲huo得de很hen好hao的de產chan乳ru效xiao果guo。我wo們men必bi須xu充chong分fen利li用yong母mu畜chu的de這zhe一yi特te點dian,發fa揮hui其qi泌mi乳ru潛qian力li。實shi踐jian證zheng明ming,加jia強qiang母mu畜chu泌mi乳ru高gao峰feng期qi的de飼si養yang,不bu僅jin可ke以yi提ti高gao母mu畜chu的de泌mi乳ru量liang並bing延yan長chang泌mi乳ru高gao峰feng期qi的de時shi間jian,而er且qie還hai能neng使shi母mu畜chu提ti早zao發fa情qing配pei種zhong,提ti高gao母mu畜chu的de產chan仔zai率lv。
zaizhenggemiruqijianyebixubaochifengfudeyingyang。womenzhidao,suizhemiruqidejinzhan,muchumiruliangdexiajiangshibukebimiande,danxiajiangdesuduqueyusiyangyoumiqieguanxi。yingyangfengfudemuchu,qichanruliangxiajiangbijiaohuanman,yinertigaolezhenggemiruqidezongchanliang。tongshi,muchuzaimiruqijian,tebieshizaimiruwangqi,tizhongwangxiajiang,gaochanmuchudetizhongxiajiangyouweixianzhu。weilefangzhimuchutizhongdafuduxiajiang、保(bao)證(zheng)母(mu)畜(chu)的(de)健(jian)康(kang)生(sheng)產(chan),我(wo)們(men)必(bi)須(xu)適(shi)當(dang)加(jia)強(qiang)泌(mi)乳(ru)後(hou)期(qi)的(de)飼(si)養(yang),強(qiang)調(tiao)產(chan)後(hou)泌(mi)乳(ru)高(gao)峰(feng)期(qi)的(de)豐(feng)富(fu)營(ying)養(yang)與(yu)整(zheng)個(ge)泌(mi)乳(ru)期(qi)的(de)平(ping)衡(heng)飼(si)養(yang)相(xiang)結(jie)合(he),隻(zhi)有(you)這(zhe)樣(yang),才(cai)能(neng)達(da)到(dao)養(yang)好(hao)哺(bu)乳(ru)母(mu)畜(chu)的(de)目(mu)的(de)。
三、保證青綠多汁飼料的充分供應
青綠飼料、青(qing)貯(zhu)飼(si)料(liao)及(ji)塊(kuai)莖(jing)類(lei)飼(si)料(liao)等(deng),對(dui)於(yu)母(mu)乳(ru)的(de)形(xing)成(cheng)具(ju)有(you)良(liang)好(hao)的(de)作(zuo)用(yong)。因(yin)為(wei)青(qing)綠(lv)多(duo)汁(zhi)飼(si)料(liao)中(zhong)含(han)養(yang)分(fen)比(bi)較(jiao)完(wan)善(shan),特(te)別(bie)是(shi)豆(dou)科(ke)和(he)禾(he)本(ben)科(ke)牧(mu)草(cao),其(qi)風(feng)幹(gan)物(wu)質(zhi)中(zhong)含(han)有(you)10%~25%的蛋白質,約等於豆餅中蛋白質的一半,而且蛋白質的生物學價值也很高。如一般春季青草的生物學價值可達75%~80%,而花生餅和豆餅的生物學價值僅55%~60%。同tong時shi,青qing綠lv飼si料liao的de蛋dan白bai質zhi主zhu要yao為wei葉ye綠lv蛋dan白bai質zhi,是shi一yi種zhong分fen子zi極ji高gao的de化hua合he物wu。飼si喂wei家jia畜chu這zhe種zhong蛋dan白bai質zhi,能neng使shi幼you畜chu生sheng長chang旺wang盛sheng,合he成cheng動dong物wu性xing蛋dan白bai質zhi的de效xiao果guo好hao。特te別bie對dui於yu泌mi乳ru母mu畜chu,這zhe種zhong蛋dan白bai質zhi還hai是shi形xing成cheng乳ru蛋dan白bai質zhi最zui好hao的de原yuan料liao。因yin為wei它ta含han有you較jiao豐feng富fu的de賴lai氨an酸suan、精氨酸、色氨酸和蘇氨酸等重要氨基酸,具有促進生殖腺活動、細胞分裂和泌乳作用的能力。實賤證明,夏秋季有充分的青綠飼料,冬春有良好的幹草和多汁飼料(青貯料),而且注意飲水充足,就能保證母畜有較高的產乳量。
四、保證泌乳母畜的充足飲水
大家知道,母畜泌乳中含有80%~90%的(de)水(shui)分(fen),如(ru)果(guo)飼(si)料(liao)中(zhong)缺(que)乏(fa)水(shui)分(fen),又(you)不(bu)注(zhu)意(yi)補(bu)充(chong)飲(yin)水(shui),勢(shi)必(bi)嚴(yan)重(zhong)影(ying)響(xiang)乳(ru)的(de)形(xing)成(cheng)。實(shi)踐(jian)證(zheng)明(ming),增(zeng)加(jia)泌(mi)乳(ru)母(mu)畜(chu)的(de)飲(yin)水(shui)量(liang),對(dui)提(ti)高(gao)泌(mi)乳(ru)力(li)具(ju)有(you)重(zhong)要(yao)的(de)作(zuo)用(yong)。因(yin)此(ci),對(dui)泌(mi)乳(ru)母(mu)畜(chu)必(bi)須(xu)注(zhu)意(yi)充(chong)分(fen)飲(yin)水(shui),如(ru)果(guo)母(mu)畜(chu)不(bu)願(yuan)飲(yin)水(shui),可(ke)在(zai)水(shui)中(zhong)加(jia)些(xie)食(shi)鹽(yan)或(huo)麩(fu)皮(pi)等(deng),以(yi)促(cu)使(shi)母(mu)畜(chu)飲(yin)水(shui)。
五、建立正常的飼養管理製度
母mu畜chu乳ru的de分fen泌mi過guo程cheng是shi很hen複fu雜za的de,它ta除chu了le直zhi接jie受shou營ying養yang好hao壞huai的de影ying響xiang之zhi外wai,還hai受shou中zhong樞shu神shen經jing係xi統tong活huo動dong所suo製zhi約yue。因yin此ci,創chuang造zao有you利li於yu母mu畜chu分fen泌mi乳ru的de環huan境jing條tiao件jian,建jian立li正zheng常chang的de飼si養yang管guan理li製zhi度du,都dou能neng有you效xiao地di提ti高gao母mu畜chu的de泌mi乳ru量liang。例li如ru,對dui哺bu乳ru母mu豬zhu和he乳ru牛niu實shi行xing按an摩mo乳ru房fang;對高產母豬和乳牛相應地增加擠奶次數;對仔豬少、乳頭多的母豬訓練仔豬吃兩個乳頭;訓練母豬兩側交替躺臥、充分利用乳頭等,都能不同程度地提高母畜的泌乳力。與此相反,母畜受驚、環境或畜舍中嘈雜、工作日程無一定的規律、對待母畜行為粗暴、不規則的操作方法、缺(que)乏(fa)適(shi)當(dang)運(yun)動(dong)等(deng),都(dou)會(hui)降(jiang)低(di)母(mu)畜(chu)的(de)泌(mi)乳(ru)量(liang)。因(yin)此(ci),對(dui)於(yu)泌(mi)乳(ru)母(mu)畜(chu)應(ying)當(dang)加(jia)強(qiang)飼(si)養(yang),精(jing)心(xin)管(guan)理(li),盡(jin)量(liang)創(chuang)造(zao)各(ge)方(fang)麵(mian)的(de)有(you)利(li)條(tiao)件(jian),排(pai)除(chu)各(ge)種(zhong)應(ying)激(ji)因(yin)素(su),不(bu)斷(duan)提(ti)高(gao)母(mu)畜(chu)的(de)泌(mi)乳(ru)力(li)和(he)泌(mi)乳(ru)量(liang)。
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