目前,小規模的奶牛飼養量占到奶牛存養總量的60%以上,筆者通過調查了解到,大多養殖戶在飼養奶牛的過程中存在著飼養不規範、管理粗放等問題。筆者針對這些問題提出一些相應對策,希望對養牛戶有所裨益。
牛舍寬敞,通風透光 戶hu養yang奶nai牛niu大da都dou利li用yong舊jiu房fang做zuo牛niu舍she或huo在zai庭ting院yuan中zhong搭da建jian,牛niu床chuang往wang往wang凸tu凹ao不bu平ping,舍she內nei通tong風feng換huan氣qi和he夏xia季ji防fang暑shu降jiang溫wen難nan以yi保bao證zheng,光guang照zhao條tiao件jian得de不bu到dao滿man足zu,有you的de牛niu舍she甚shen至zhi暗an無wu天tian日ri,有you的de則ze難nan擋dang風feng雨yu。讓rang奶nai牛niu處chu在zai這zhe樣yang的de環huan境jing中zhong,嚴yan重zhong影ying響xiang其qi健jian康kang,降jiang低di了le生sheng產chan性xing能neng。為wei改gai善shan奶nai牛niu的de生sheng活huo環huan境jing,農nong戶hu應ying該gai到dao村cun裏li規gui劃hua的de養yang殖zhi區qu內nei建jian造zao適shi合he奶nai牛niu生sheng長chang的de牛niu舍she,要yao求qiu牛niu舍she冬dong能neng防fang寒han保bao暖nuan,夏xia能neng防fang暑shu降jiang溫wen,舍she內nei通tong風feng良liang好hao,光guang線xian充chong足zu,場chang區qu設she運yun動dong場chang和he遮zhe陽yang棚peng。
加強運動,增強體質 有些養牛戶習慣把奶牛拴在木樁上,限製奶牛活動,使奶牛運動量不足,導致奶牛生長發育受阻,發情不明顯,屢配難孕;有些受孕奶牛難產,胎衣不下,體質較弱,抗病力差。“奶牛體質好,運動不可少”。yinci,nonghuzaidajianniusheshi,shouxianyingkaolvsheliyundongchang,jiaqiangnainiuyundong。rushoutiaojianxianzhibunengtigongyundongchangdi,yeyingyourenjinxingqianyinyundong,yicujinnainiuxinchendaixie,shiqibaochiwangshengdeshiyuhezhengchangdefanzhijineng,tigaoqidikangbingyuanweishengwuqinxidenengli,yanchangliyongnianxian。
消毒防疫疾病 yuanlibushaoyangniuhuzainainiuhuanlebingdeshihou,buxiyiqiedaijiaxiangbabingzhihao,danquebushedehuashaoliangdeqiangaoxiaodufangyi,qixiaodufangyiyishihencha。youyubushexiaoduchi,changdibudingqixiaodu,buzhushefangyizhen,nainiuyidanhuanbing,youqishichuanranbing,jianghuizaochengjiaodadejingjisunshi。yinci,yingduiyangzhihuanjing、場地、用yong品pin進jin行xing經jing常chang性xing的de程cheng序xu化hua消xiao毒du,在zai傳chuan染ran病bing多duo發fa季ji節jie,要yao增zeng加jia場chang地di消xiao毒du次ci數shu。要yao樹shu立li防fang重zhong於yu治zhi的de觀guan念nian,根gen據ju本ben地di區qu疫yi病bing發fa生sheng情qing況kuang,按an計ji劃hua定ding期qi請qing獸shou醫yi人ren員yuan給gei奶nai牛niu注zhu射she疫yi苗miao,同tong時shi注zhu意yi飼si料liao、飲水衛生,控製與外界人員及用品的接觸,防患於未然。
刷拭牛體,提高效益 由於養牛戶工作量大、時(shi)間(jian)緊(jin),對(dui)刷(shua)拭(shi)牛(niu)體(ti)不(bu)太(tai)在(zai)意(yi)。有(you)的(de)隻(zhi)注(zhu)意(yi)牛(niu)的(de)後(hou)軀(qu)及(ji)乳(ru)房(fang)的(de)清(qing)潔(jie)衛(wei)生(sheng),而(er)整(zheng)個(ge)體(ti)軀(qu)很(hen)少(shao)刷(shua)拭(shi),即(ji)便(bian)刷(shua)拭(shi)也(ye)草(cao)草(cao)了(le)事(shi),致(zhi)使(shi)有(you)些(xie)奶(nai)牛(niu)汙(wu)垢(gou)遍(bian)體(ti),甚(shen)至(zhi)滋(zi)生(sheng)體(ti)外(wai)寄(ji)生(sheng)蟲(chong)。刷(shua)拭(shi)牛(niu)體(ti)有(you)許(xu)多(duo)好(hao)處(chu),既(ji)可(ke)以(yi)保(bao)持(chi)牛(niu)體(ti)的(de)衛(wei)生(sheng)清(qing)潔(jie),促(cu)進(jin)皮(pi)膚(fu)血(xue)液(ye)循(xun)環(huan),調(tiao)節(jie)體(ti)溫(wen),增(zeng)強(qiang)抗(kang)病(bing)力(li),減(jian)少(shao)疾(ji)病(bing)發(fa)生(sheng),又(you)能(neng)促(cu)進(jin)人(ren)牛(niu)親(qin)和(he),便(bian)於(yu)管(guan)理(li),且(qie)有(you)利(li)於(yu)提(ti)高(gao)產(chan)奶(nai)量(liang),並(bing)能(neng)保(bao)持(chi)牛(niu)奶(nai)的(de)衛(wei)生(sheng)質(zhi)量(liang)。故(gu)農(nong)戶(hu)應(ying)養(yang)成(cheng)刷(shua)拭(shi)牛(niu)體(ti)的(de)習(xi)慣(guan),每(mei)天(tian)刷(shua)拭(shi)牛(niu)體(ti)2次~3次,每次3分鍾~5分鍾。
定期驅蟲,減少消耗 體(ti)表(biao)寄(ji)生(sheng)蟲(chong)使(shi)奶(nai)牛(niu)周(zhou)身(shen)不(bu)適(shi),煩(fan)躁(zao)不(bu)安(an),蹭(ceng)牆(qiang)磨(mo)柱(zhu),消(xiao)耗(hao)體(ti)能(neng),影(ying)響(xiang)產(chan)奶(nai)量(liang)。體(ti)內(nei)寄(ji)生(sheng)蟲(chong)不(bu)僅(jin)消(xiao)耗(hao)營(ying)養(yang),而(er)且(qie)有(you)些(xie)寄(ji)生(sheng)蟲(chong)會(hui)幹(gan)擾(rao)奶(nai)牛(niu)的(de)生(sheng)命(ming)活(huo)動(dong),甚(shen)至(zhi)危(wei)及(ji)生(sheng)命(ming)。因(yin)此(ci),養(yang)牛(niu)戶(hu)應(ying)每(mei)年(nian)春(chun)秋(qiu)兩(liang)季(ji)定(ding)期(qi)驅(qu)除(chu)牛(niu)體(ti)內(nei)外(wai)寄(ji)生(sheng)蟲(chong),夏(xia)季(ji)應(ying)注(zhu)意(yi)驅(qu)除(chu)蚊(wen)蠅(ying)等(deng)吸(xi)血(xue)昆(kun)蟲(chong),這(zhe)樣(yang)可(ke)充(chong)分(fen)發(fa)揮(hui)飼(si)料(liao)效(xiao)能(neng),保(bao)證(zheng)牛(niu)體(ti)健(jian)康(kang),充(chong)分(fen)發(fa)揮(hui)產(chan)奶(nai)潛(qian)力(li)。
適齡配種,母子平安 奶牛初配年齡應為18個月~20個月,體重350千克~400千克,這時奶牛已達到體成熟和性成熟。但有些養殖戶在犢牛出生未足18月齡就開始配種,還有的養殖戶不注重奶牛育成期飼養管理,18月齡時體重隻有250千克~300qianke,renweiyuelingyidao,biankaishipeizhong,changchangzaochengtoutainanchan,jieguobudebujinxingzhuchan,zaochengchandaosunshang,yinhupolie,jifazigongneimoyan,yingxiangbenshendeshengchangfayu、產奶性能和下一胎的正常繁殖,產下的胎兒初生體重小、體質弱。因此,生產中應加強犢牛和育成牛的培育,配種時兩項指標綜合考慮,任何一項不達標都不能配種。
適量擠奶,降低消耗 奶牛的泌乳期一般為305天,然後進入60天的幹奶期。由於受奶牛年齡、胎次、膘情及飼養水平的影響,其泌乳期可適當延長或縮短,但最短也不能少於45天(tian)。有(you)的(de)養(yang)殖(zhi)戶(hu)為(wei)了(le)使(shi)奶(nai)牛(niu)多(duo)產(chan)奶(nai),從(cong)產(chan)後(hou)一(yi)直(zhi)擠(ji)到(dao)沒(mei)有(you)奶(nai)時(shi)為(wei)止(zhi),有(you)時(shi)甚(shen)至(zhi)擠(ji)到(dao)臨(lin)產(chan)前(qian)。這(zhe)樣(yang)做(zuo)所(suo)帶(dai)來(lai)的(de)後(hou)果(guo)是(shi)十(shi)分(fen)嚴(yan)重(zhong)的(de)。一(yi)是(shi)由(you)於(yu)奶(nai)牛(niu)過(guo)度(du)消(xiao)耗(hao)體(ti)內(nei)營(ying)養(yang),影(ying)響(xiang)胎(tai)兒(er)發(fa)育(yu)和(he)下(xia)胎(tai)泌(mi)乳(ru)量(liang)的(de)提(ti)高(gao);ershizaochengchanhoufaqingwanhuofaqingbumingxian,xingzhouqiwenluanheshouyunkunnan。yinci,shengchanzhongnainiudegannaiqishibibukeshaode,bingqieduibiaoqingjiaochadenainiuyingshidangyuyiyanchang,yishinainiuyouchongfendexiuyang、緩衝時間,保證正常的新陳代謝和性周期。
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