一、公雞的調教
在進行按摩采精訓練時和整個配種期間,人員、時間、地點要固定。進行按摩采精訓練之前,公雞采用單籠飼養或每籠2-3隻(zhi),操(cao)作(zuo)時(shi)將(jiang)公(gong)雞(ji)泄(xie)殖(zhi)腔(qiang)周(zhou)圍(wei)的(de)羽(yu)毛(mao)剪(jian)掉(diao),以(yi)不(bu)妨(fang)礙(ai)采(cai)精(jing)為(wei)限(xian)。大(da)部(bu)分(fen)公(gong)雞(ji)經(jing)過(guo)有(you)規(gui)律(lv)的(de)幾(ji)次(ci)按(an)摩(mo)采(cai)精(jing)後(hou),均(jun)可(ke)達(da)到(dao)理(li)想(xiang)的(de)采(cai)精(jing)效(xiao)果(guo)。公(gong)雞(ji)的(de)保(bao)定(ding):一般可由1人抱起公雞,左右兩手握住公雞大腿根部,使其以自然寬度分開,將雞頭向後輕挾於左腋下,使其呈臥伏姿勢。采精時的按摩手法:caijingzhexianyongzuoshouqingqingdiyoujidebeibuxianghouzhiweigenanmoshuci,youshouzhongzhihewumingzhijiazhejijingbei,muzhiyuqitasizhifenkaifangruchiguxiafangzuofubuanmodezhunbei。zaianmobeibudetongshi,guanchaxiezhiqiangyouwuwaifanhuochengjiaoweidongzuo。ruguoyouxingfanyingbiaoxian,jiuyonganmobeibudezuoshouzhangxinxunsuyazhuweiyu,bingjiangmuzhiheshizhifenkaifangzaixiezhiqiangshangfangzuohaojiyazhunbei,zaifubudeyoushoutongzuoshougaopinlvdidoudonganmo,shixiezhiqiangchongfenwaifan。xiezhiqiangwaifanhoukejiandaoboqiderutouzhuangtuqi,jijiaoweiqi,zheshizuohaojiyazhunbeidemuzhiheshizhizaixiezhiqiangliangceshaoshiyali,gongjibiankaishishejing。caozuozheyingxunsujiangjiazhejijingbeideyoushoufanzhuanweishoubeixiangshang,jijingbeifangzaixiezhiqiangxiafang,xietongzuoshoujiangjingyeshoujirubei。weilefangzhianmoshifenniaowuranjijingbei,youshoukejiangshizhi、中(zhong)指(zhi)和(he)無(wu)名(ming)指(zhi)向(xiang)手(shou)心(xin)握(wo)緊(jin),中(zhong)指(zhi)和(he)無(wu)名(ming)指(zhi)夾(jia)住(zhu)集(ji)精(jing)杯(bei),緊(jin)貼(tie)腹(fu)部(bu),使(shi)集(ji)精(jing)杯(bei)口(kou)偏(pian)向(xiang)泄(xie)殖(zhi)腔(qiang)的(de)左(zuo)邊(bian)和(he)後(hou)邊(bian)。在(zai)左(zuo)手(shou)按(an)摩(mo)泄(xie)殖(zhi)腔(qiang)外(wai)翻(fan)排(pai)精(jing)時(shi),右(you)手(shou)夾(jia)集(ji)精(jing)杯(bei)。杯(bei)口(kou)朝(chao)向(xiang)泄(xie)殖(zhi)腔(qiang),這(zhe)時(shi)隻(zhi)要(yao)右(you)手(shou)臂(bi)稍(shao)向(xiang)外(wai)扭(niu)轉(zhuan),集(ji)精(jing)杯(bei)口(kou)邊(bian)稍(shao)用(yong)力(li)向(xiang)交(jiao)尾(wei)器(qi)下(xia)緣(yuan)施(shi)加(jia)壓(ya)力(li),就(jiu)能(neng)輔(fu)助(zhu)泄(xie)殖(zhi)腔(qiang)充(chong)分(fen)外(wai)翻(fan)。應(ying)當(dang)注(zhu)意(yi),當(dang)通(tong)過(guo)背(bei)部(bu)按(an)摩(mo)達(da)到(dao)性(xing)反(fan)射(she)、泄殖腔充分外翻時,動作必須迅速而準確,否則達不到良好的采精效果。隻要按摩手法正確、熟練,對選定的公雞每天或隔天采精1次,一般經5-7天的按摩采精訓練便可達到使用要求。個別公雞調教時間可能要長些。初學者可以選幾隻性欲旺盛、性反射強的公雞進行練習,先熟練掌握采精的手法,搞清楚由性反射到排精的過程及技術要領,然後再著手訓練大群公雞。
二、采用正確手法進行輸精
1、采精。采精一般以在下午3-4時為宜,同一隻公雞可每3天采精一次。一次采精的種公雞隻數,視采精、輸精員操作的熟練程度和采下的精液能在半小時內用完為度。
2、精液檢查。種公雞的射精量一般都在0.3毫升以上,低於0.3毫升或精液品質低下的種公雞應及時淘汰。種公雞每毫升精液的精子數一般在40億以上,精子活力應在0.8以上。精液的檢查通常在種公雞開始利用前或中途受精率突然不明原因下降時進行,不必每次采、輸精都進行。
3、輸精。采好的精液必須在30分fen鍾zhong內nei用yong完wan,夏xia季ji高gao溫wen期qi間jian用yong完wan時shi間jian更geng應ying縮suo短duan。輸shu精jing時shi仍reng由you助zhu手shou和he輸shu精jing員yuan兩liang人ren操cao作zuo。助zhu手shou右you手shou抓zhua住zhu母mu雞ji雙shuang腿tui,將jiang母mu雞ji按an在zai雞ji籠long的de門men口kou,借jie籠long具ju給gei母mu雞ji腹fu部bu施shi加jia一yi定ding壓ya力li,左zuo手shou掌zhang將jiang母mu雞ji尾wei羽yu向xiang上shang托tuo起qi,用yong拇mu指zhi和he食shi指zhi按an壓ya泄xie殖zhi腔qiang,翻fan露lu出chu輸shu卵luan管guan口kou。輸shu精jing員yuan將jiang輸shu精jing滴di管guan吸xi取qu精jing液ye0.05毫升,向位於左側的輸卵管口插入2limizuoyou,xunsujiangjingyejiru,zhushoutongshisongkaizuoshou,jiangmujimanmanfangrulongnei。shujingjieshuhou,shujingyuanjishiyongxiaoduyaomiancajingshujingdiguankou,shujingshuzhijihouzuihaogenghuanyizhiyixiaoduguodeshujingdiguan。meizhimujikege3-5天輸精一次,其中每3天輸精一次受精率較高。同一群母雞可根據母雞輸精間隔期有計劃地分批輪流進行輸精。
三、種公雞配種期的飼養管理
ziranjiaopeidegongji,zaipeizhongjijiemeitiandejiaoweipinlvshihengaode,kejiangongjishifenxinlao,tilixiaohaoda,yingzhuyijiaqiangzhonggongjideyingyang。zairengongshoujingqiangzhiliyongtiaojianxiadezhonggongji,siyangguanliyouweizhongyao,ruriliangyingyangshuipingdihuoweizuotiaozheng,huiyingxiangcaijingliang、精子濃度和活力,使精液品質下降。因此,要適當增加蛋白和維生素A、E,以(yi)提(ti)高(gao)精(jing)液(ye)品(pin)質(zhi)。公(gong)母(mu)雞(ji)混(hun)養(yang)時(shi),公(gong)雞(ji)總(zong)是(shi)先(xian)讓(rang)母(mu)雞(ji)吃(chi)完(wan)料(liao)以(yi)後(hou)才(cai)接(jie)近(jin)食(shi)槽(cao)采(cai)食(shi),為(wei)此(ci)應(ying)設(she)公(gong)雞(ji)專(zhuan)用(yong)食(shi)槽(cao),放(fang)在(zai)較(jiao)高(gao)的(de)位(wei)置(zhi),讓(rang)母(mu)雞(ji)無(wu)法(fa)吃(chi)到(dao),以(yi)彌(mi)補(bu)公(gong)雞(ji)營(ying)養(yang)的(de)不(bu)足(zu)。
muqianduizhonggongjideriliangyingyangxuyaoliangrengwutongyibiaozhun,yibanyumujishiyongtongyangdesiliao,yinweizaihuyangtiaojianxiagongmujihunyang,nanyifenbieshishigongjihemujidedandusiwei。zailongyangtiaojianxiayeshiyishiyongmujidesiliaoweijichu,zaizhongyongqishidangtigaodanbaizhiheweishengsushuiping,zheyangjiunengqudemanyideshoujinglv。shengchanshijianzhengming,zhonggongjicaiyongxialieweishengsushuipingkebaochilianghaodefanzhixingneng。weishengsuzaimeidunsiliaodetianjialiang:維生素A2000萬國際單位,維生素E30克,維生素B1 4克,維生素B2 8克,維生素C150克。
公雞換羽比母雞早2-3geyue,zaiciqijianjingyepinzhicha,zhongdanshoujinglvjiangdi。ruguozhongmujishixingrengongqiangzhihuanyudehua,yaojianggongjigelikai,buyaoshishihuanyu,fouzeduiyihoushoujingnengliyouyingxiang。houbeigongjibunengyonggaodanbaizhishuipingderiliang,yongzhongdengpiandidedanbaizhishuipingduijianglaidejingyepinzhiheshoujingnengliyoulianghaodecujinzuoyong。
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