堅持自繁自養
俗話說,“母牛見母牛,三年五個頭”,shishuomuniufanzhikuai,niudetoushuzengjiadeduo,shifazhanyangniuyedewuzhijichu。zhebicongshichangshangmainiuyufeichengbendideduo,xiaoyihao。muniuchanmuniu,zengjiafanzhimuniushuliang,shifanzhimuniubilitigao;母牛產下公犢,1歲半~2歲即可育成。增加肉牛出欄率,能顯著提高養牛經濟效益。既擴大養牛生產規模,又可避免牛傳染性疾病的傳入。
加快黃牛品種的雜交改良
muqian,youyusiyangcufang,yixieniuzhongtuihua,changdeman,tixingxiao,chanrouxingnengdi,jingjishourushao,yizhiyuezheyangniuyedefazhan。weiyidechulushiyouhuachumuyechanyejiegou,caiyongxialuolaidengrouniupinzhongdongjing,zajiaogailiangdangdihuangniu。zajiaohoudainiuchiliaoshao,changdekuai,churouduo。18個月齡雜交肉牛體重可達300千克左右,比同齡黃牛提高50%以上,能充分發揮牛的雜交優勢,經濟效益十分顯著。
充分合理利用當地飼草資源
niushicaoshidongwu,xiaohualiyongcuxianweinenglibiqitachuqindougao,nengchongfenliyongnongfuchanpinjiegansiliaohezaozhalei。danjiegansiliaozhidicuying,zhiliangtaicha,youqidongchunjichangqiwei,yifashengxiaohuazhangaibing,shiyizhongcufangchuantongdeluohouweifa。yingweiyouzhiqinggancao,ruyongjiegancusiliao,xuheliliyong,yingjingguoqingzhu、氨化或微貯喂牛。國內外大量研究證實,喂牛5千克青貯玉米秸或4千克氨化麥秸,可頂一千克精料。即利用了秸稈,又增加營養,兩全齊美,效果甚好。
喂配合飼料
現(xian)在(zai)仍(reng)有(you)養(yang)牛(niu)戶(hu)沿(yan)用(yong)落(luo)後(hou)的(de)老(lao)辦(ban)法(fa)喂(wei)牛(niu),即(ji)有(you)啥(sha)喂(wei)啥(sha),多(duo)有(you)多(duo)喂(wei),少(shao)有(you)少(shao)喂(wei),饑(ji)一(yi)頓(dun)飽(bao)一(yi)頓(dun),饑(ji)飽(bao)無(wu)度(du)。走(zou)訪(fang)幾(ji)個(ge)肉(rou)牛(niu)場(chang),喂(wei)牛(niu)的(de)飼(si)料(liao)單(dan)一(yi),搭(da)配(pei)不(bu)合(he)理(li),營(ying)養(yang)不(bu)全(quan)麵(mian),牛(niu)吃(chi)不(bu)適(shi)口(kou),挑(tiao)挑(tiao)揀(jian)揀(jian),吃(chi)一(yi)半(ban)丟(diu)一(yi)半(ban),浪(lang)費(fei)草(cao)料(liao)大(da),不(bu)上(shang)膘(biao),營(ying)養(yang)缺(que)乏(fa)病(bing)多(duo)。解(jie)決(jue)的(de)辦(ban)法(fa)是(shi)喂(wei)全(quan)價(jia)配(pei)合(he)飼(si)料(liao)。因(yin)為(wei)沒(mei)有(you)一(yi)種(zhong)飼(si)料(liao)能(neng)包(bao)含(han)牛(niu)所(suo)需(xu)要(yao)的(de)全(quan)部(bu)營(ying)養(yang),因(yin)此(ci),要(yao)求(qiu)飼(si)料(liao)品(pin)種(zhong)多(duo),至(zhi)少(shao)在(zai)6種以上,以互為補充營養。牛愛吃,保證牛營養的需要長得快、jiankang。jifangzhiyingyangquefabing,youkefuletiaoshilangfeiliaodemaobing,jianshaohaoliao,jiangdiyangniuchengben,zengjialexiaoyi。danyaoxianweixianpei,baochixinxian,fangzhilengtiandongjieheretiansuanbai。
要掌握適當的營養水平
siyangrouniu,zhiyouzaimanzuniuweichijixiuxiaohaoyangliaodeqiantixia,shengyudeyingyangcainengzhuanbianweizhifangchucunzainiutigebu。ershiqizengbiaochangzhong。rusuogongyingyangbuzu,chuweichizishenxiaohaomeiyoushengyuyingyang,niuziranjiubunengzengbiaochangzhong。tebiezaijietiaojianxia,haiyaodongyongtineizhifangyingyanglaiweichixiaohao。ruhuifuyingyangshuiping,suishengchangfayuhezangqibunengbuchang,danzaitizhongfangmianhaikebufendedaobuchang。danshouzushijianyuechang,nianlingyuexiaoyueyanzhong,qibuchangyeyuebuyi。gonggeirouniudeyingyangtiaojian,anyingyangshuipingdegaodi,datikefenweijigao、高、中、低型。如肉用犢牛營養永平,按高(斷奶前)-高(斷奶後)型飼養,牛體增重最快。如按中(放牧加補料2.5千克,幹草7.5千克,百日平均日增重0.756千克)-高(放牧加補料2.5千克,幹草自由采食,百日平均日增重0.950千克)型飼養,最為經濟。如舍飼強度肥育,喂精料(混合精料)4.5千克~5.5千克,幹草15千克,80天平均日增重1.473千克,肥育效果最好。最次的育肥方法是由高-中型,或由中-低(放牧加補料,精料1千克,幹草5千克,百日平均日增重隻有0.208千克)型飼養,肥育效果差,經濟效益低,是不可取的。
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