對(dui)母(mu)牛(niu)進(jin)行(xing)人(ren)工(gong)配(pei)種(zhong),是(shi)改(gai)良(liang)牛(niu)群(qun)的(de)重(zhong)要(yao)手(shou)段(duan)。作(zuo)為(wei)基(ji)層(ceng)畜(chu)牧(mu)獸(shou)醫(yi)站(zhan)的(de)技(ji)術(shu)人(ren)員(yuan),如(ru)掌(zhang)握(wo)此(ci)技(ji)術(shu),並(bing)能(neng)深(shen)入(ru)到(dao)農(nong)戶(hu)進(jin)行(xing)流(liu)動(dong)配(pei)種(zhong),將(jiang)大(da)大(da)提(ti)高(gao)效(xiao)率(lv),加(jia)快(kuai)農(nong)村(cun)牛(niu)群(qun)的(de)改(gai)良(liang)。
一、器械
液氮罐(最好是3升的)、液氮、凍精(細管凍精更為方便)、輸精槍(管)、溫度計、鑷子、剪子、3米長繩索一根。
二、操作
1.faqingmuniudebaoding。caiyongchuantongyanniudebaodingfangfajinxingbaoding,jishengsuobaoding。bamuniushuandaoyiwengudezhuangshang,jiangshengziduizhe,raozainiuyihouzhidetiyuxuantijianxizhu;再zai將jiang繩sheng子zi的de一yi端duan穿chuan過guo牛niu的de兩liang前qian肢zhi中zhong間jian拉la到dao頸jing部bu,另ling一yi端duan從cong前qian肢zhi外wai側ce拉la到dao頸jing部bu,在zai頸jing部bu將jiang繩sheng子zi的de兩liang端duan勒le緊jin打da結jie,使shi牛niu被bei係xi的de後hou肢zhi懸xuan地di。另ling外wai,用yong細xi繩sheng將jiang牛niu的de尾wei巴ba吊diao起qi,再zai用yong清qing水shui把ba牛niu的de外wai陰yin部bu洗xi幹gan淨jing。
2.精液解凍。準備好37℃~42℃的適量溫水,用鑷子從液氮罐中取出一根細管凍精浸入溫水中,輕搖10次左右取出,抹幹細管表麵水珠,剪去封口,將有栓塞的一端向下裝入槍內,套上外套擰緊。
3.shujing。yizhishoucharuzhichanggezhechangbibawozigongjing,tongshishoubiyonglixiaya,shiyinmenzhangkai,lingyizhishouchiyishanghaoxiguandongjingdeshujingqiangziyinmenxiangshangqingxiecharuyiduanhou,zaixiangxiafangcharu,shishujingqiangkouduizhunzigongjingkou,yizhichadaozigongjingyuzigongtilianjiechu,jikesuizhezhushejingyedetongshihoucheshujingqiang。weiquebaoshoutailv,getianfupei1次。
4.術後清理。給母牛鬆綁;清洗(理)器械,打好包裹;回站後對器械進行消毒,保存好,以備下次用。
采用繩索保定,即可上戶配種,擴大受配麵,又不影響母牛身體康健及受胎率,深受養殖戶歡迎。
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