種(zhong)一(yi)畝(mu)小(xiao)麥(mai)或(huo)玉(yu)米(mi)等(deng)糧(liang)食(shi)作(zuo)物(wu)的(de)淨(jing)收(shou)益(yi)不(bu)過(guo)一(yi)二(er)百(bai)元(yuan),而(er)養(yang)一(yi)頭(tou)高(gao)產(chan)奶(nai)牛(niu)至(zhi)少(shao)收(shou)益(yi)五(wu)六(liu)千(qian)元(yuan)以(yi)上(shang),比(bi)一(yi)般(ban)地(di)區(qu)的(de)農(nong)民(min)人(ren)均(jun)收(shou)入(ru)還(hai)多(duo)。養(yang)殖(zhi)奶(nai)牛(niu)還(hai)能(neng)充(chong)分(fen)利(li)用(yong)農(nong)作(zuo)物(wu)秸(jie)稈(gan)過(guo)腹(fu)還(hai)田(tian),而(er)且(qie)在(zai)反(fan)芻(chu)家(jia)畜(chu)中(zhong)產(chan)奶(nai)量(liang)最(zui)多(duo)的(de)是(shi)奶(nai)牛(niu),其(qi)飼(si)料(liao)轉(zhuan)化(hua)率(lv)最(zui)高(gao)。從(cong)每(mei)公(gong)頃(qing)土(tu)地(di)所(suo)產(chan)生(sheng)的(de)能(neng)量(liang)和(he)蛋(dan)白(bai)質(zhi)來(lai)看(kan),也(ye)是(shi)奶(nai)牛(niu)最(zui)高(gao)。因(yin)此(ci),大(da)力(li)發(fa)展(zhan)奶(nai)牛(niu)養(yang)殖(zhi)是(shi)政(zheng)府(fu)支(zhi)持(chi)、養殖者得益的
好項目。
但是發展奶牛養殖必須要有好的基礎母牛才行。目前普遍看好的奶牛品種,也是世界公認的高產奶牛品種之王―――hesitannainiu,zaiwoguodefenbuhaihenbupingheng,zhuyaojizhongzaigedazhongchengshidezhoubiandiquheyixiedaxingdenainiujidi。nonghuyaogoumaiyitougaochanhesitannainiu,yibanxutouruyiliangwanyuan,erzirantiaojianxianainiuyishengzhinengchanxia3~4toumudu。peitaiyizhisuinengjiakuaifanzhihegailiangsudu,danmuqianyizhichenggongyitoumudu,qichengbendouzaiwanyuanyishang。yinci,dalifazhannainiuyangzhi,guangkaohuajuziyinjinyouxiuchuchanpinzhongniuhuopeitaiyizhibushizuihaodebanfa。zhiyouchongfenfahuihewajuegaochannainiuzishendefanzhiqianli,ranggaochannainiuduochanmudu,jiakuaizhongziqundefanzhisudu,shaotouru,duochanchu,cainengshinainiuyangzhiyejiankangchixudifazhanxiaqu。
快速提高奶牛的繁殖率,除注重加強常規飼養管理,做好發情鑒定、適shi時shi配pei種zhong外wai,還hai要yao充chong分fen利li用yong新xin技ji術shu,引yin進jin新xin產chan品pin,一yi定ding要yao真zhen正zheng理li解jie科ke學xue技ji術shu是shi第di一yi生sheng產chan力li的de思si想xiang。當dang前qian很hen多duo飼si養yang戶hu不bu注zhu意yi科ke技ji投tou入ru,沒mei有you長chang遠yuan發fa展zhan規gui劃hua和he目mu標biao,這zhe將jiang很hen難nan適shi應ying入ru世shi後hou的de發fa展zhan形xing勢shi。最zui近jin在zai奶nai牛niu飼si養yang繁fan育yu方fang麵mian又you有you多duo項xiang技ji術shu獲huo得de新xin的de突tu破po,廣guang大da養yang殖zhi戶hu可ke根gen據ju各ge自zi條tiao件jian選xuan擇ze應ying用yong,如ru犢du牛niu冷leng棚peng飼si養yang和he早zao期qi斷duan奶nai技ji術shu、幹奶期奶牛飼喂陰陽離子平衡日糧技術、胚胎早期性別鑒定和胚胎切割技術、性控凍精技術等。
tebiezhideyitideshiniuyongduochanyimiaomuniumianyijishudetuiguangyingyonggeiyangzhihudailailefuyin。liyongduochanyimiaozhudongmianyimuniubingkongzhiqishiyongliang,keshimuniuyitaichanxia2~4頭犢牛,且性別一致。若配合使用性控凍精(或性別控製液),則可徹底實現生“男”生“女”完全由人工控製和快速提高優質高產奶牛、肉牛繁殖率的願望。其繁殖效率是自然狀態下的5~10倍,效果足以令人鼓舞和振奮。由於其成本較低,業內人士普遍看好。
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