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مقایسه روشهای کوتاه مدت و بلند مدت همزمانسازی فحلی با استفاده از پروژسترون و تاثیر آن بر نرخ آبستنی: یک مطالعه فراتحلیل | ||
علوم دامی ایران | ||
دوره 56، شماره 2، تیر 1404، صفحه 465-478 اصل مقاله (1.24 M) | ||
نوع مقاله: مقاله پژوهشی | ||
شناسه دیجیتال (DOI): 10.22059/ijas.2024.383143.654029 | ||
نویسندگان | ||
امید بوذری؛ مهدی ژندی* | ||
گروه علوم دامی، دانشکده کشاورزی، دانشکدگان کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران | ||
چکیده | ||
این مطالعه یک فراتحلیل است که اثربخشی روشهای کوتاهمدت و بلندمدت مبتنی بر پروژسترون را برای همزمانسازی فحلی در گوسفند، با تمرکز بر نرخ آبستنی، مقایسه میکند. هدف اولیه ارزیابی این بود که آیا روشهای کوتاهمدت، که عملیتر هستند، نتایج قابل مقایسه با روشهای بلندمدت سنتی از نظر موفقیت آبستنی دارند یا خیر؟ این مطالعه شامل 22 مطالعه مستقل انجام شده بین سالهای 2010 و 2023 بود که روشهای همزمانسازی مختلف را در فصول مختلف ارزیابی کرد. داده ها از پایگاههای Scopus، PubMed، OpenAlex و Crossref و با استفاده از کلیدواژههای “Progesterone”، “P4”، “Estrus”، “Synchronization”، “Sheep” و “ewe” جمع آوری شد. نتایج نشان داد که بین پروتکلهای کوتاهمدت و بلندمدت در نرخ آبستنی تفاوت معنیداری وجود ندارد. این نشانمیدهد که هر دو پروتکل به یک اندازه مؤثر هستند، پروتکلهای کوتاه مدت مزایایی چون صرفهجویی در نیروی کار و هزینه را ارائه میدهند. با این حال، این تجزیه و تحلیل همچنین ناهمگنی متوسطی را در بین مطالعات را نشان داد، که نشانمیدهد عواملی مانند نژاد، تغذیه و محیط ممکن است بر نتایج تأثیر بگذارند. این متاآنالیز نتایج ارزشمندی را در مورد اثربخشی پروتکلهای همگامسازی فحلی مبتنی بر پروژسترون کوتاهمدت در مقابل بلندمدت در گوسفند ارائه میکند. یافتهها نشان میدهد که پروتکلهای کوتاهمدت به اندازه روشهای بلندمدت در دستیابی به آبستنی مؤثر هستند و مزایای قابلتوجهی از نظر هزینه و کارایی نیروی کار ارائه میدهند. علاوه بر این، با توجه به سوگیری انتشارِ شناسایی شده، نیاز به تحقیقات بیشتر در این زمینه برای اصلاح این راهبردهای تولید مثلی تأکید میشود. | ||
کلیدواژهها | ||
پروژسترون؛ تولیدمثل؛ فراتحلیل؛ گوسفند؛ نرخ آبستنی؛ همزمانسازی فحلی | ||
عنوان مقاله [English] | ||
Comparison of short-term and long-term estrus synchronization methods using progesterone and their effect on pregnancy rate: A meta-analysis study | ||
نویسندگان [English] | ||
Omid Bouzari؛ Mahdi Zhandi | ||
Department of Animal Science, Faculty of Agriculture, University College of Agriculture and Natural Resources, University of Tehran | ||
چکیده [English] | ||
This study presents a meta-analysis comparing the effectiveness of short-term and long-term progesterone-based protocols for estrous synchronization in sheep, focusing on pregnancy rates. The primary aim was to evaluate whether short-term protocols, which are more practical, yield comparable results to traditional long-term methods in terms of pregnancy success. The study is based on a meta-analysis of 22 independent studies conducted between 2010 and 2023, which examined various progesterone-based estrous synchronization protocols in different seasons. The data was collected from Scopus, PubMed, OpenAlex, and Google Scholar databases using keywords such as "progesterone", "P4", "estrous”, “synchronization," "sheep," and "ewe." The results revealed no significant difference between short-term and long-term protocols concerning pregnancy rates. This suggests that both protocols are equally effective, with short-term protocols offering logistical and cost benefits. However, the analysis also highlighted moderate heterogeneity among the studies, indicating that factors like breed, nutrition, and environment might influence outcomes. This meta-analysis provides valuable results into the effectiveness of short-term versus long-term progesterone-based estrous synchronization protocols in sheep. The findings indicate that short-term protocols are just as effective as long-term protocols in achieving pregnancy, offering significant advantages in terms of cost and labor efficiency. Additionally, potential publication bias was identified, underscoring the need for further research in this area to refine these reproductive strategies. | ||
کلیدواژهها [English] | ||
Estrus synchronization, Meta-analysis, Pregnancy rates, Progesterone, Sheep, reproduction | ||
مراجع | ||
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