The effect of reduced dose of PGF2α on certain reproductive parameters in awassi yearlings in anestrus synchronisation protocol following the end of the of the breeding season

IF 0.4 4区农林科学 Q4 VETERINARY SCIENCES

Journal of the Hellenic Veterinary Medical Society Pub Date : 2023-01-20 DOI:10.12681/jhvms.27399

I. Ozbilek, Y. Ergun, A. Gözer, O. Bahan, S. Alaşahan

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引用次数: 0

Abstract

The aim of this study was to investigate the effect of the administration of half or full dose of prostaglandinF2α (PGF2α; Gestavet Prost, d-cloprostenol, HIPRA®) injection in a routine synchronization protocol following theend of the breeding period including intravaginal sponge (medroxyprogesterone acetate; Espanjovet, HIPRA®) andeCG (Oviser 500, HIPRA®) on certain fertility parameters in ewes.Two hundred thirty-eight Awassi yearlings (agedone year old) divided into two groups:116 ewes received a half dose (HSDP; 37.5 μg) of PGF2α and 122 ewes receivedfull dose (FSDP;75 μg).The pregnancy rates were 67.2% and 72.1% for HSDP and FSDP, respectively (P>0.05).The lambing rates were 64.7% and 63.9% for HSDP and FSDP, respectively (P>0.05).The single lambing rate inHSDP(94.7%) was higher (P<0.05) compared to that in FSDP (73.1%). The twin and multiple birth rates of FSDPwas higher (P<0.05) than HSDP. As a result, it was inferred that aHSDP could be used in Awassi yearlings withoutexperience of lamb care and in a herd in which single lambing was preferable. Moreover, due to the fact that it is moreaffordable and not detrimentalto fertility, it was concluded that HSDPcan offer an advantage in large flocks and can beused for manipulating fecundity ratesin yearlings.

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低剂量PGF2α对繁殖季结束后无月经同步试验中赤潮仔某些生殖参数的影响

本研究的目的是在繁殖期结束后，按照常规同步方案，包括阴道内海绵（醋酸甲羟孕酮；Espanjovet，HIPRA®）和CG（Oveser 500，HIPRA™），研究半剂量或全剂量前列腺素F2α（PGF2α；盖世卫Prost，d-氯前列醇，HIPRA？）注射对妊娠期某些生育参数的影响母羊。238只Awassi一岁幼羊分为两组：116只接受半剂量（HSDP；37.5μg）PGF2α，122只接受全剂量（FSDP；75μg）。HSDP和FSDP的妊娠率分别为67.2%和72.1%（P>0.05），HSDP的单胎产仔率（94.7%）高于FSDP（73.1%）（P＜0.05），FSDP的双胎和多胎出生率高于HSDP（P＜0.01）。因此，可以推断，HSDP可以用于没有羔羊护理经验的Awassi一岁的幼崽，也可以用于优选单产羔的群体。此外，由于HSDCP价格更实惠，对生育能力没有不利影响，因此得出结论，HSDCP在大群中具有优势，可用于操纵一岁幼崽的生育率。

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来源期刊

Journal of the Hellenic Veterinary Medical Society VETERINARY SCIENCES-

CiteScore

0.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of the Hellenic Veterinary Medical Society (J Hellenic Vet Med Soc) is a quarterly peer-reviewed journal that publishes articles in all aspects of veterinary science and related disciplines. It is published by the Hellenic Veterinary Medical Society and is indexed in the Web of Science and in Scopus. There are no publication fees in the journal. Authors considering submitting manuscripts for evaluation and publication are requested to read carefully the instructions for authors and fully comply with them. Non-complying manuscripts may be returned to the corresponding author for formatting.