黄体酮与LRH-A3组合治疗母牛子宫幼稚及乏情试验

Study on Progesterone Combined with LRH-A3 on Infantileuterus and Anoestrus in Cows

为了探讨利用黄体酮与LRH-A3(促黄体素释放激素A3)组合进行试验治疗,总结出治疗母牛子宫幼稚及产后乏情的方案。利用黄体酮和LRH-A3配合进行治疗,并用氯前列烯醇(PGF2a)进行同期发情处理,观察统计治疗效果、同期发情数和人工授精情况,为治疗牛子宫幼稚和产后乏情母牛提供依据。经过对子宫幼稚和产后乏情两组母牛进行治疗后,13头子宫幼稚牛,同期发情率61.5,受配6头,受配率46.2;21头产后乏情牛,同期发情率81,受配15头,受配率71.4;取得了较好的治疗效果。获得了黄体酮与LRH-A3有效、最佳组合和剂量,使乏情的母牛发情时间得以提前,缩短了繁殖母牛胎间距,提高了繁殖率、经济效益。

In order to explore the effect of the combination of progesterone and LRH-A3 on the experimental treatment,this paper summarized the treatment scheme of infantileuterus and anoestrus in cows.Progesterone combined with LRH-A3 was used for treatment,and PGF2a was used for estrus synchronization.The treatment effect,estrus synchronization and artificial insemination were observed and counted,so as to provide basis for the treatment of infantileuterus and anoestrus in cows.After the treatment of the two groups of cows(infantileuterus cows and anoestrus cows),the estrus synchronization rate of 13 uterine immature cows was 61.5%,and the conception rate was 46.2%.The estrus synchronization rate of 21 postpartum anestrus cows was 81%,and the conception rate was 71.4%.It shows that good therapeutic effect has been achieved.In this study,the best combination and dosage of progesterone and LRH-A3 were obtained,which could advance the estrus time of anestrus cows,shorten the fetal spacing of breeding cows,and improve the reproduction rate and economic benefits.