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首页> 外文期刊>Livestock research for rural development >Fixed timed artificial insemination (FTAI) through progestagen (CIDR) of 1st, 2nd, 3rd and 4th uses in bovine: II. Conception rate related to times of CIDR use, to the semen used, to artificial insemination technician and to farm management
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Fixed timed artificial insemination (FTAI) through progestagen (CIDR) of 1st, 2nd, 3rd and 4th uses in bovine: II. Conception rate related to times of CIDR use, to the semen used, to artificial insemination technician and to farm management

机译:牛第一次,第二次,第三次和第四次使用孕激素(CIDR)的固定定时人工授精(FTAI):II。受精率与CIDR使用时间,精液使用,人工授精技术人员和农场管理有关

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摘要

Thisstudyhadthepurposeofverifyingtheefficiencyoffixedtimedartificialinsemination(FTAI)throughtheprogesteronereleasingdevice(CIDR?Pfizer1.9gP4)of1st,2nd,3rdand4thusesinn=18665Zebufemales(Bostaurusindicus)andn=409crossedZebuxEuropean(BostaurusindicusxBostaurustaurus)breedsinatotalofn=19071females.Among19071femalessubjectedtoFTAI,n=10797becamepregnant,representinganoverallconceptionrateof(56.5%);theconceptionrates(CRs),accordingtothetimesoftheCIDRusesandreproductivecategory,amongn=19071femalesubmittedtoFTAI,wereforthemultiparousatthe1st,2nd,3rdand4thCDIRusesn=3563(60.0%),n=1807(56.7%),n=1560(58.3%)andn=676(59.2%)respectively;fornulliparousfemalesatthe1st,2nd,3rdand4thCDIRusesitwasfoundn=471(56.7%),n=765(53.1%),n=36(51.4%)andn=203(51.9%),respectively;forprimiparousn=622(51.0%),n=384(47.4%),n=345(47.3%),n=104(46.2%)andforopenfemalesfor1stn=110(54.4%),for2ndn=94(58.0)and4thusen=57(64.0%),nbsp;respectively.nbsp;Itwasobservednbsp;astatisticalsignificantdifference(P0.0002)amongdifferentgroups;theaverageofhighestandlowerCRrelatedtothesemenusedamong20differentsireswas(56.6%)andvariedfrom(67.7%)forthe#8220;sireI#8221;whereasitwas(41.8%)for#8220;sireQ#8221;,respectively;eventhoughfivesiresshowedCRssuperiorto(60.0%)whereasonlytwosiresshowedCRsloweras(50.0%);theCRrelatedtotheartificialinseminationtechnician(AIT)showedthatamong14AITswhichwereusedinthissurveythehigherandlowerCRwasobtainedbytheAIT#14and#9(76.4%)and(43.2%)respectively,although#4,#5and#3AITshaveobtainedCRsupon(60.0%),(50.0%)and(40.0%),respectively;forstockingrateregardingtheCRrelatedtothefarmmanagementamongthen=28farmsincludedinthisstudythehigherfarm#2andthelowernbsp;farm#1amongthefarmsworkednbsp;obtainedCRsof(77.0%)and(44.4%),respectively,nbsp;therefore19farmshavegotCRsupon(50.0%).nbsp;Itseemsobviousthatmanyfactorswereinvolvedonthisconcernsuchasqualityofpasture,stockingrate,mineralsupplementandreproductivemanagement,althoughsuchparameterwerenotsubmittedtostatisticalanalysis.Indeed,thisstudysuggeststhattheadoptionofFTAIandthere-usesprogesterone(CIDR?Pfizer1.9gP4)isafeasibleandeconomictechnologytobeusedtoincreasebeefproductionsystemactivityinsidetheadaptationsrequiredamongtheso-calleddevelopmentsustainableachievement,actuallyoneofthemainchallengesamongthestrategiesaimingtheincreasingBraziliancattleproductivityintheAmazonregion.nbsp;
机译:Thisstudyhadthepurposeofverifyingtheefficiencyoffixedtimedartificialinsemination(FTAI)throughtheprogesteronereleasingdevice(CIDR Pfizer1.9gP4?)of1st,第二,3rdand4thusesinn = 18665Zebufemales(Bostaurusindicus)ANDN = 409crossedZebuxEuropean(BostaurusindicusxBostaurustaurus)breedsinatotalofn = 19071females.Among19071femalessubjectedtoFTAI,N = 10797becamepregnant,representinganoverallconceptionrateof(56.5%); theconceptionrates(CRS),accordingtothetimesoftheCIDRusesandreproductivecategory ,在提交给FTAI的女性中,有19071名女性分别是在第一,第二,第三和第四CDIR上使用的,分别为n = 3563(60.0%),n = 1807(56.7%),n = 1560(58.3%)和n = 676(59.2%);在第1次,第二次使用的第6.7次无性别女性%),n = 765(53.1%),n = 36(51.4%)和n = 203(51.9%);对于初产妇n = 622(51.0%),n = 384(47.4%),n = 345(47.3%) ),n = 104(46.2%),开放式女性第1次n = 110(54.4%),第2次nn = 94(58.0)和第4次出生= 57(64.0%),nbsp;它观察到不同组之间的统计显着性差异(P 0.0002) s;#8220; I#8221的最高和最低CR的平均值为(56.6%),而#8220的平均值为(67.7%);而#8220; QQ8221的平均值为(41.8%),在0.0%的情况下,仅显示(CR)的最高值(%)表示(CR)的最高值(%)至少显示了(CR)最高的(%)显示为(6)的C(%)显示为(6)的最高百分比(仅6%)。 )显示,通过AIT#14和#9(76.4%)和(43.2%)分别获得较高和较低CR的14个AIT中,尽管#4,#5和#3 AIT分别获得了大约6个百分点,60.0%,50.0%和(40.0%)的CR值,但其中#4,#5和#4的比例均是如此。农场中有1个获得CRs的比例分别为(77.0%)和(44.4%),因此19个农场放弃了CR优惠券(50.0%)。这似乎很明显地表明许多因素都被考虑到了这样的问题,例如需求,实际库存率,矿化度,充足率,充足率,充足率。 FTAI和可利用的戊二酮(CIDR?Pfizer1.9gP4)是安全可行的,可用于经济发展以提高牛肉生产系统的活动性,所谓的发展可实现的目标,实际上是对巴西地区提高生产能力的主要挑战。

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