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、zhongzhihewumingzhixiangshouxinwojin,zhongzhihewumingzhijiazhujijingbei,jintiefubu,shijijingbeikoupianxiangxiezhiqiangdezuobianhehoubian。zaizuoshouanmoxiezhiqiangwaifanpaijingshi,youshoujiajijingbei。beikouchaoxiangxiezhiqiang,zheshizhiyaoyoushoubishaoxiangwainiuzhuan,jijingbeikoubianshaoyonglixiangjiaoweiqixiayuanshijiayali,jiunengfuzhuxiezhiqiangchongfenwaifan。yingdangzhuyi,dangtongguobeibuanmodadaoxingfanshe、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30fenzhongneiyongwan,xiajigaowenqijianyongwanshijiangengyingsuoduan。shujingshirengyouzhushouheshujingyuanliangrencaozuo。zhushouyoushouzhuazhumujishuangtui,jiangmujianzaijilongdemenkou,jielongjugeimujifubushijiayidingyali,zuoshouzhangjiangmujiweiyuxiangshangtuoqi,yongmuzhiheshizhianyaxiezhiqiang,fanluchushuluanguankou。shujingyuanjiangshujingdiguanxiqujingye0.05毫升,向位於左側的輸卵管口插入2厘li米mi左zuo右you,迅xun速su將jiang精jing液ye擠ji入ru,助zhu手shou同tong時shi鬆song開kai左zuo手shou,將jiang母mu雞ji慢man慢man放fang入ru籠long內nei。輸shu精jing結jie束shu後hou,輸shu精jing員yuan及ji時shi用yong消xiao毒du藥yao棉mian擦ca淨jing輸shu精jing滴di管guan口kou,輸shu精jing數shu隻zhi雞ji後hou最zui好hao更geng換huan一yi支zhi已yi消xiao毒du過guo的de輸shu精jing滴di管guan。每mei隻zhi母mu雞ji可ke隔ge3-5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
自(zi)然(ran)交(jiao)配(pei)的(de)公(gong)雞(ji),在(zai)配(pei)種(zhong)季(ji)節(jie)每(mei)天(tian)的(de)交(jiao)尾(wei)頻(pin)率(lv)是(shi)很(hen)高(gao)的(de),可(ke)見(jian)公(gong)雞(ji)十(shi)分(fen)辛(xin)勞(lao),體(ti)力(li)消(xiao)耗(hao)大(da),應(ying)注(zhu)意(yi)加(jia)強(qiang)種(zhong)公(gong)雞(ji)的(de)營(ying)養(yang)。在(zai)人(ren)工(gong)授(shou)精(jing)強(qiang)製(zhi)利(li)用(yong)條(tiao)件(jian)下(xia)的(de)種(zhong)公(gong)雞(ji),飼(si)養(yang)管(guan)理(li)尤(you)為(wei)重(zhong)要(yao),如(ru)日(ri)糧(liang)營(ying)養(yang)水(shui)平(ping)低(di)或(huo)未(wei)作(zuo)調(tiao)整(zheng),會(hui)影(ying)響(xiang)采(cai)精(jing)量(liang)、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)。
目(mu)前(qian)對(dui)種(zhong)公(gong)雞(ji)的(de)日(ri)糧(liang)營(ying)養(yang)需(xu)要(yao)量(liang)仍(reng)無(wu)統(tong)一(yi)標(biao)準(zhun),一(yi)般(ban)與(yu)母(mu)雞(ji)使(shi)用(yong)同(tong)樣(yang)的(de)飼(si)料(liao),因(yin)為(wei)在(zai)戶(hu)養(yang)條(tiao)件(jian)下(xia)公(gong)母(mu)雞(ji)混(hun)養(yang),難(nan)以(yi)分(fen)別(bie)實(shi)施(shi)公(gong)雞(ji)和(he)母(mu)雞(ji)的(de)單(dan)獨(du)飼(si)喂(wei)。在(zai)籠(long)養(yang)條(tiao)件(jian)下(xia)也(ye)是(shi)以(yi)使(shi)用(yong)母(mu)雞(ji)的(de)飼(si)料(liao)為(wei)基(ji)礎(chu),在(zai)種(zhong)用(yong)期(qi)適(shi)當(dang)提(ti)高(gao)蛋(dan)白(bai)質(zhi)和(he)維(wei)生(sheng)素(su)水(shui)平(ping),這(zhe)樣(yang)就(jiu)能(neng)取(qu)得(de)滿(man)意(yi)的(de)受(shou)精(jing)率(lv)。生(sheng)產(chan)實(shi)踐(jian)證(zheng)明(ming),種(zhong)公(gong)雞(ji)采(cai)用(yong)下(xia)列(lie)維(wei)生(sheng)素(su)水(shui)平(ping)可(ke)保(bao)持(chi)良(liang)好(hao)的(de)繁(fan)殖(zhi)性(xing)能(neng)。維(wei)生(sheng)素(su)在(zai)每(mei)噸(dun)飼(si)料(liao)的(de)添(tian)加(jia)量(liang):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2-3個(ge)月(yue),在(zai)此(ci)期(qi)間(jian)精(jing)液(ye)品(pin)質(zhi)差(cha),種(zhong)蛋(dan)受(shou)精(jing)率(lv)降(jiang)低(di)。如(ru)果(guo)種(zhong)母(mu)雞(ji)實(shi)行(xing)人(ren)工(gong)強(qiang)製(zhi)換(huan)羽(yu)的(de)話(hua),要(yao)將(jiang)公(gong)雞(ji)隔(ge)離(li)開(kai),不(bu)要(yao)實(shi)施(shi)換(huan)羽(yu),否(fou)則(ze)對(dui)以(yi)後(hou)受(shou)精(jing)能(neng)力(li)有(you)影(ying)響(xiang)。後(hou)備(bei)公(gong)雞(ji)不(bu)能(neng)用(yong)高(gao)蛋(dan)白(bai)質(zhi)水(shui)平(ping)的(de)日(ri)糧(liang),用(yong)中(zhong)等(deng)偏(pian)低(di)的(de)蛋(dan)白(bai)質(zhi)水(shui)平(ping)對(dui)將(jiang)來(lai)的(de)精(jing)液(ye)品(pin)質(zhi)和(he)受(shou)精(jing)能(neng)力(li)有(you)良(liang)好(hao)的(de)促(cu)進(jin)作(zuo)用(yong)。
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