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对在土耳其应用于绵羊的同步方案对繁殖和非繁殖季节妊娠率的影响进行的荟萃分析。

A meta-analysis of the effects of synchronization protocols applied to sheep in Turkey on pregnancy rates during breeding and non-breeding seasons.

机构信息

Department of Animal Health Economics and Management, Faculty of Veterinary Medicine, Fırat University, Elazıg, Turkey.

Department of Animal Health Economics and Management, Faculty of Veterinary Medicine, Selçuk University, Konya, Turkey.

出版信息

Vet Med Sci. 2021 Nov;7(6):2280-2289. doi: 10.1002/vms3.610. Epub 2021 Aug 17.

DOI:10.1002/vms3.610
PMID:34405580
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8604141/
Abstract

This study aimed to determine common pregnancy rates and effect sizes with meta-analysis of studies investigating the effect of different synchronization protocols applied to sheep during breeding and non-breeding seasons on pregnancy rates. Common pregnancy rates were estimated by coalescing pregnancy rates of studies performed independently, and heterogeneity between the studies was investigated. The meta-analysis included 24 studies that determined pregnancy rates in 78 different groups consisting of 1934 sheep with five different synchronization protocols in Turkey between 2001 and 2020. Among the different synchronization methods, the P4+PMSG group (90.37%) during the breeding season and P4+PGF2α (69.77%) and P4 (68.75%) groups during the non-breeding season showed the highest pregnancy rate. Also, the effect size of P4+PMSG application during the breeding season was calculated as 0.934 (95% confidence interval: 0.901-0.967), and the effect size of P4+PGF2α application during the non-breeding season was calculated as 0.709 (95% confidence interval: 0.406-1.013). To conclude, the combination of P4+PMSG during the breeding season and progestogen and other hormone applications during the non-breeding season are the most effective methods for estrus synchronization and for achieving the desired pregnancy rates.

摘要

本研究旨在通过对不同同步方案在繁殖和非繁殖季节应用于绵羊的研究进行荟萃分析，确定常见的妊娠率和效应量。通过合并独立进行的研究的妊娠率来估计常见的妊娠率，并研究研究之间的异质性。该荟萃分析包括 2001 年至 2020 年期间在土耳其进行的 24 项研究，这些研究确定了在 5 种不同同步方案下的 78 个不同组别的 1934 只绵羊的妊娠率。在不同的同步方法中，繁殖季节的 P4+PMSG 组（90.37%）和非繁殖季节的 P4+PGF2α（69.77%）和 P4（68.75%）组显示出最高的妊娠率。此外，繁殖季节应用 P4+PMSG 的效应大小计算为 0.934（95%置信区间：0.901-0.967），非繁殖季节应用 P4+PGF2α 的效应大小计算为 0.709（95%置信区间：0.406-1.013）。总之，繁殖季节应用 P4+PMSG 和非繁殖季节应用孕激素和其他激素是最有效的发情同步和实现预期妊娠率的方法。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76f3/8604141/03e6205f4919/VMS3-7-2280-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76f3/8604141/e3515cfc2cfd/VMS3-7-2280-g002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76f3/8604141/0351f2e1d827/VMS3-7-2280-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76f3/8604141/d7569c8183c3/VMS3-7-2280-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76f3/8604141/73720aea6e14/VMS3-7-2280-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76f3/8604141/af7523e780e0/VMS3-7-2280-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76f3/8604141/03e6205f4919/VMS3-7-2280-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76f3/8604141/e3515cfc2cfd/VMS3-7-2280-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76f3/8604141/ff7d27432c81/VMS3-7-2280-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76f3/8604141/0351f2e1d827/VMS3-7-2280-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76f3/8604141/d7569c8183c3/VMS3-7-2280-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76f3/8604141/73720aea6e14/VMS3-7-2280-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76f3/8604141/af7523e780e0/VMS3-7-2280-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76f3/8604141/03e6205f4919/VMS3-7-2280-g006.jpg

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