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暴露于含或不含eCG的CIDR处理5天和14天的绵羊的发情期及排卵前后事件的发生情况

Onset of oestrus and periovulatory events in sheep exposed to 5 and 14 days of CIDR treatment with and without eCG.

作者信息

Uriol Marta, Martinez-Ros Paula, Rios Alejandro, Encinas Teresa, Gonzalez-Bulnes Antonio

机构信息

Dpto. de Toxicologia y Farmacologia, Facultad de Veterinaria, UCM Madrid, Madrid, Spain.

Dpto. de Produccion y Sanidad Animal, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain.

出版信息

Reprod Domest Anim. 2019 Nov;54(11):1489-1492. doi: 10.1111/rda.13537. Epub 2019 Aug 14.

DOI:10.1111/rda.13537
PMID:31355955
Abstract

The present study supports that 5-day short-term CIDR treatments without administration of eCG are equally effective for inducing oestrus behaviour, preovulatory LH discharge and ovulation in sheep than classical protocols based on 14-day treatments plus eCG at CIDR withdrawal. However, the implementation of a 5-day protocol without eCG for fixed-time artificial insemination would be adapted to a later timing of ovulation (p < .05).

摘要

本研究表明，在绵羊中，不使用孕马血清促性腺激素（eCG）的5天短期阴道海绵栓（CIDR）处理，在诱导发情行为、排卵前促黄体生成素（LH）释放和排卵方面，与基于14天处理并在取出CIDR时添加eCG的传统方案同样有效。然而，不使用eCG的5天方案用于定时人工授精时，排卵时间会延迟（p < 0.05）。

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