Yıl: 2021 Cilt: 68 Sayı: 2 Sayfa Aralığı: 155 - 160 Metin Dili: İngilizce DOI: 10.33988/auvfd.733140 İndeks Tarihi: 04-05-2021

The effectiveness of intravaginal progesterone insert in Ovsynch and resynchronization protocols in cyclic and non-cyclic Holstein heifers

Öz:
In the present study, it was aimed to compare of resynchronization with used progesterone (P4) releasing intravaginal device (PRID), with modified ovulation synchronization in cyclic and non-cyclic Holstein heifers. Animals were randomly divided into two groups; Group I (GI, n=87) and Group II (GII, n=88). Fixed-time artificial insemination (FTAI) following modified Ovsynch protocol with PRID insertion, was performed to all animals. In GI, used PRID was reinserted to the same animals, 15 days after the first FTAI (day 25) for 12 days. Pregnancies were detected by ultrasound in all groups on day 37. For resynchronization, prostaglandin (PG) F2α was applied to non-pregnant animals on day 37. In GI, following 48 hours from PGF2α injection, the gonadotropin-releasing hormone was administrated, and after 18 hours the second FTAI was performed. No additional treatments were applied to the nonpregnant animals found in GII, and heifers were taken to the routine service program. In both groups, the second pregnancy diagnosis was performed 27 days after inseminations by transrectal ultrasonography. Pregnancy rates (PR) following the first and overall inseminations in cyclic and non-cyclic heifers (GI and GII) were detected as 66.4% and 52.3% (P>0.05); 76.3% and 59.1% (P>0.05), respectively. In conclusion, the usage of PRID in the Ovsynch and resynchronization protocol resulted in higher PRs of non-cyclic heifers than cyclic heifers. Moreover, this study reveals that the initial P4 levels of non-cyclic animals should be used as a determinant for pregnancy success in dairy heifers.
Anahtar Kelime:

Siklik ve siklik olmayan Holştayn düvelerde Ovsynch ve resenkronizasyon protokollerinde intravajinal progesteron ilavesinin etkinliği

Öz:
Sunulan çalışmada, siklik ve siklik olmayan Holştayn ırkı düvelerde modifiye ovulasyon senkronizasyonu ve kullanılmış progesteron (P4) salan intravajinal araç (PRID) ile resenkronizasyonun etkinliğinin karşılaştırılması amaçlandı. Hayvanlar rastgele iki gruba ayrıldı; Grup I (GI, n = 87) ve Grup II (G II, n = 88). Tüm hayvanlara PRID eklenerek modifiye edilmiş bir Ovsynch protokolünütakiben sabit zamanlı suni tohumlama (SZT) yapıldı. Grup I’de, kullanılmış PRID, ilk SZT’dan 15 gün sonra (25. gün) 12 gün süreyle aynı hayvanlara tekrar yerleştirildi. Tüm gruplarda 37. günde ultrason ile gebelikler saptandı. Resenkronizasyon için, gebe olmayan hayvanlara 37. günde prostaglandin (PG) F2α uygulandı. Grup I’de PGF2α enjeksiyonundan 48 saat sonra gonadotropin salgılatıcı hormon uygulandı ve 18 saat sonra ikinci SZT yapıldı. Grup II’ deki gebe olmayan hayvanlara ilave tedavi uygulanmadı ve düvelerrutin tohumlama programına alındı. Her iki grupta da ikinci gebelik teşhisi SZT’dan 27 gün sonra transrektal ultrasonografi ile yapıldı. Siklik ve siklik olmayan düvelerdeki (GI ve GII) ilk ve tüm tohumlamaları takiben gebelik oranları sırasıyla %66,4 ve %52,3 (P>0,05); %76,3 ve %59,1 (P>0,05) olarak saptandı. Sonuç olarak, Ovsynch ve resenkronizasyon protokolünde PRID kullanımı, siklik olmayan düvelerin siklik olan düvelerden daha yüksek gebelik oranları ile sonuçlandı. Ayrıca, bu çalışma, siklik olmayan hayvanlarınbaşlangıçtaki P4 düzeylerinin, sütçü düvelerde gebelik başarısı için belirleyici olarak kullanılması gerektiğini ortaya koymaktadır.
Anahtar Kelime:

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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APA Abay M, güngör ö, PANCARCI S, Bekyurek T, Kaya M, Demiral Ö, Gürbulak K, Canooğlu E, Ün M (2021). The effectiveness of intravaginal progesterone insert in Ovsynch and resynchronization protocols in cyclic and non-cyclic Holstein heifers. , 155 - 160. 10.33988/auvfd.733140
Chicago Abay Murat,güngör örsan,PANCARCI Sukru,Bekyurek Tayfur,Kaya Mehmet,Demiral Ömer Orkun,Gürbulak Kutlay,Canooğlu Esra,Ün Mustafa The effectiveness of intravaginal progesterone insert in Ovsynch and resynchronization protocols in cyclic and non-cyclic Holstein heifers. (2021): 155 - 160. 10.33988/auvfd.733140
MLA Abay Murat,güngör örsan,PANCARCI Sukru,Bekyurek Tayfur,Kaya Mehmet,Demiral Ömer Orkun,Gürbulak Kutlay,Canooğlu Esra,Ün Mustafa The effectiveness of intravaginal progesterone insert in Ovsynch and resynchronization protocols in cyclic and non-cyclic Holstein heifers. , 2021, ss.155 - 160. 10.33988/auvfd.733140
AMA Abay M,güngör ö,PANCARCI S,Bekyurek T,Kaya M,Demiral Ö,Gürbulak K,Canooğlu E,Ün M The effectiveness of intravaginal progesterone insert in Ovsynch and resynchronization protocols in cyclic and non-cyclic Holstein heifers. . 2021; 155 - 160. 10.33988/auvfd.733140
Vancouver Abay M,güngör ö,PANCARCI S,Bekyurek T,Kaya M,Demiral Ö,Gürbulak K,Canooğlu E,Ün M The effectiveness of intravaginal progesterone insert in Ovsynch and resynchronization protocols in cyclic and non-cyclic Holstein heifers. . 2021; 155 - 160. 10.33988/auvfd.733140
IEEE Abay M,güngör ö,PANCARCI S,Bekyurek T,Kaya M,Demiral Ö,Gürbulak K,Canooğlu E,Ün M "The effectiveness of intravaginal progesterone insert in Ovsynch and resynchronization protocols in cyclic and non-cyclic Holstein heifers." , ss.155 - 160, 2021. 10.33988/auvfd.733140
ISNAD Abay, Murat vd. "The effectiveness of intravaginal progesterone insert in Ovsynch and resynchronization protocols in cyclic and non-cyclic Holstein heifers". (2021), 155-160. https://doi.org/10.33988/auvfd.733140
APA Abay M, güngör ö, PANCARCI S, Bekyurek T, Kaya M, Demiral Ö, Gürbulak K, Canooğlu E, Ün M (2021). The effectiveness of intravaginal progesterone insert in Ovsynch and resynchronization protocols in cyclic and non-cyclic Holstein heifers. Ankara Üniversitesi Veteriner Fakültesi Dergisi, 68(2), 155 - 160. 10.33988/auvfd.733140
Chicago Abay Murat,güngör örsan,PANCARCI Sukru,Bekyurek Tayfur,Kaya Mehmet,Demiral Ömer Orkun,Gürbulak Kutlay,Canooğlu Esra,Ün Mustafa The effectiveness of intravaginal progesterone insert in Ovsynch and resynchronization protocols in cyclic and non-cyclic Holstein heifers. Ankara Üniversitesi Veteriner Fakültesi Dergisi 68, no.2 (2021): 155 - 160. 10.33988/auvfd.733140
MLA Abay Murat,güngör örsan,PANCARCI Sukru,Bekyurek Tayfur,Kaya Mehmet,Demiral Ömer Orkun,Gürbulak Kutlay,Canooğlu Esra,Ün Mustafa The effectiveness of intravaginal progesterone insert in Ovsynch and resynchronization protocols in cyclic and non-cyclic Holstein heifers. Ankara Üniversitesi Veteriner Fakültesi Dergisi, vol.68, no.2, 2021, ss.155 - 160. 10.33988/auvfd.733140
AMA Abay M,güngör ö,PANCARCI S,Bekyurek T,Kaya M,Demiral Ö,Gürbulak K,Canooğlu E,Ün M The effectiveness of intravaginal progesterone insert in Ovsynch and resynchronization protocols in cyclic and non-cyclic Holstein heifers. Ankara Üniversitesi Veteriner Fakültesi Dergisi. 2021; 68(2): 155 - 160. 10.33988/auvfd.733140
Vancouver Abay M,güngör ö,PANCARCI S,Bekyurek T,Kaya M,Demiral Ö,Gürbulak K,Canooğlu E,Ün M The effectiveness of intravaginal progesterone insert in Ovsynch and resynchronization protocols in cyclic and non-cyclic Holstein heifers. Ankara Üniversitesi Veteriner Fakültesi Dergisi. 2021; 68(2): 155 - 160. 10.33988/auvfd.733140
IEEE Abay M,güngör ö,PANCARCI S,Bekyurek T,Kaya M,Demiral Ö,Gürbulak K,Canooğlu E,Ün M "The effectiveness of intravaginal progesterone insert in Ovsynch and resynchronization protocols in cyclic and non-cyclic Holstein heifers." Ankara Üniversitesi Veteriner Fakültesi Dergisi, 68, ss.155 - 160, 2021. 10.33988/auvfd.733140
ISNAD Abay, Murat vd. "The effectiveness of intravaginal progesterone insert in Ovsynch and resynchronization protocols in cyclic and non-cyclic Holstein heifers". Ankara Üniversitesi Veteriner Fakültesi Dergisi 68/2 (2021), 155-160. https://doi.org/10.33988/auvfd.733140