2 增zeng加jia母mu驢lv數shu量liang。母mu驢lv是shi驢lv群qun增zeng殖zhi的de基ji礎chu,母mu驢lv在zai驢lv群qun中zhong的de數shu量liang越yue多duo,驢lv群qun增zeng殖zhi的de速su度du就jiu越yue快kuai。因yin此ci,迅xun速su發fa展zhan規gui模mo化hua養yang驢lv業ye是shi提ti高gao驢lv繁fan殖zhi率lv的de最zui有you效xiao的de途tu徑jing。
3 kexuedesiyangguanli,tebieshizaifaqingpeizhongjijieshimulvjuyoushidangdebiaodu,shibaozhengmulvzhengchangfaqinghepailuandewuzhijichu。yingyangquefahuishimulvshouruo,neifenmihuodongshoudaoyingxiang,xingjinengjiantui,shengzhijinengwenluan,changchuxianbufaqing、安靜發情、發情不排卵、排卵數減少等;種公驢表現精液品質差、性欲下降等。
4 提ti高gao受shou胎tai率lv。正zheng常chang情qing況kuang下xia,剛gang剛gang排pai出chu的de卵luan子zi生sheng活huo力li較jiao強qiang,受shou精jing力li也ye是shi高gao。一yi般ban說shuo來lai,輸shu精jing或huo自zi然ran交jiao配pei距ju排pai卵luan的de時shi間jian越yue近jin受shou胎tai率lv越yue高gao。這zhe就jiu要yao求qiu對dui母mu驢lv發fa情qing鑒jian定ding盡jin可ke能neng準zhun確que,才cai能neng做zuo到dao適shi時shi輸shu精jing。近jin幾ji年nian來lai在zai推tui行xing直zhi腸chang把ba握wo輸shu精jing方fang法fa結jie合he觸chu摸mo卵luan泡pao發fa育yu程cheng度du進jin行xing輸shu精jing,已yi達da到dao了le60%左右的情期受胎率。
5 采用人工授精技術。在推廣人工授精技術過程中,一定要遵守操作規程,從發情鑒定,清洗和消毒器械、采精、精液處理、冷凍、保存及輸精,是一整套非常細致嚴密的操作,各環節密切聯係。任何一個環節掌握不好,都能造成失配,不孕的後果。
6 進(jin)行(xing)早(zao)期(qi)妊(ren)娠(shen)診(zhen)斷(duan),防(fang)止(zhi)失(shi)配(pei)空(kong)懷(huai)。通(tong)過(guo)早(zao)期(qi)妊(ren)娠(shen)診(zhen)斷(duan),能(neng)夠(gou)及(ji)早(zao)確(que)定(ding)母(mu)驢(lv)是(shi)否(fou)妊(ren)娠(shen),做(zuo)到(dao)區(qu)別(bie)對(dui)待(dai)。對(dui)已(yi)確(que)定(ding)妊(ren)娠(shen)的(de)母(mu)驢(lv),應(ying)加(jia)強(qiang)保(bao)胎(tai),使(shi)胎(tai)兒(er)正(zheng)常(chang)發(fa)育(yu),可(ke)防(fang)止(zhi)孕(yun)後(hou)發(fa)情(qing)誤(wu)配(pei)。對(dui)未(wei)孕(yun)的(de)母(mu)驢(lv),應(ying)認(ren)真(zhen)及(ji)時(shi)找(zhao)出(chu)原(yuan)因(yin),采(cai)取(qu)相(xiang)應(ying)措(cuo)施(shi),不(bu)失(shi)時(shi)機(ji)的(de)補(bu)配(pei),減(jian)少(shao)空(kong)懷(huai)時(shi)間(jian)。
7 jianshaopeitaisiwangheliuchan。shangweixingchengtaierdezaoqipeitai,zaimulvzigongneiyidantingzhifayuersiwang,yibanweizigongsuoxishou,youdezesuizhefaqinghuopainiaoerbeipaichutiwai。yinweipeitaixiaoshihepaichubuyiweirenmensuofaxian,yincichengweiyinxingliuchan。lvdepingjunliuchanlvzai10%左右,流產多發生在妊娠5個月前後,在這個時期避免突然改變飼養條件,合理的役使或運動量是有效的預防措施。有人建議在妊娠120天後皮下理植300毫克孕酮,對防止流產也可能是有效的。
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