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Öğe Foliküler kistli holstein ırkı düvelerde ovsynch protokolünün gebelik oranları üzerine etkisi(2023) Karaşahin, Tahir; Dursun, Şükrü; Atlı, Mehmet Osman; Öztürk, Caner; Bulut, Gaye; Köse, Mehmet; Kızıl, Sedat HamdiBu çalışmada, foliküler kistli Holstein ırkı düvelerde Ovsynch programının tedavideki etkinliğini belirlemek amaçlan- dı. Özel bir süt sığırı işletmesinde, iki veya üç tohumlamadan sonra gebe kalmayan, sık düzensiz, uzun veya sürekli östrüs belirtileri gösteren 2018 yılında 19 baş, 2022 yılında 17 baş, toplam 36 baş Holstein ırkı düve on gün arayla ikişer kez rektal palpasyon (RP) ve ultrasonografi (USG) ile tekniğine uygun olarak muayene edildi. İkinci muayeneden sonra, korpus luteum (CL) yokluğunda, 25 mm'den büyük çapta folikül taşıyan düveler (2018 yılında 13, 2022 yılında 12 olmak üzere toplam 25), foliküler kist grubuna dahil edilirken, kalan (2018’de 6, 2022 ‘de 5) 11 düve kontrol grubu olarak ayrıldı. Her iki gruptaki düvelere Ovsynch protokolü uygulandı. Düveler aynı ortamda aynı rasyon ile beslendi. Düvelerin gebelik muayeneleri tohumlamadan 45 gün sonra RP ve USG ile yapıldı. Elde edilen verilerin istatistiksel analizinde SPSS hazır paket programı kullanıldı. Gebelik oranı foliküler kist grubunda %88.0 (22/25), kontrol grubunda %72.73 (8/11) olarak tespit edildi. Grupların gebelik oranları arasında anlamlı fark yoktu (P?0.05). Sonuç olarak, Ovsynch protokolünün foliküler kisti olan düvelerde kullanılabileceği kanısına varıldı.Öğe Investigation of Effects on Fertility and Time of Naturel Mating and Parturition in the Middle Anatolia Merino Ewes to the Ram Effect during the Breeding Season in the Town of Konya Province Karapınar (I)(İlker ÇAMKERTEN, 2017) Dursun, Şükrü; Gürbüz, Hasan; Bulut, Gaye; Köse, Mehmet; Keskin, SıddıkThis study was conducted to investigate the effects on naturel mating, fertility and time of parturition in the merino ewes to the different application of ram effect during the natural breeding season. On the sixth day of the study; in one of two companies (company I), the rams was removed during six days from the flock of sheep. This application was not made on the other (company II). In other company, this application wasn’t done. First enterprise where the rams were removed then again, the rams were joined the flock and second enterprise were mated next 12 days %83.4 (342/410) and %67.98 (656/965), respectively. Flocks in the both enterprises were mated with natural mating. Breeding season were completed 18 and 28 days for the first and second sheep enterprise, respectively. When parturition season between enterprises was evaluated, Merino ewes in the first and second enterprises gave birth %77 (299/388) and %65 (592/911) respectively. Parturition season of the first group was completed in 27 days (the first 11 days was more intense) and in the other group lasted for 41 days (the first 14 days was more intense). As the result of this study, the duration of merino ewes exposed to rams (keep 6 days in flock, remove 6 days from flock and get back to the flock) in the breeding season is found to be effective on the time of mate and parturition (P<0.05). In the direction of fertility, there was no difference between practices (P ).Öğe Investigation of Effects on Fertility and Time of Naturel Mating and Parturition in the Middle Anatolia Merino Ewes to the Ram Effect during the Breeding Season in the Town of Konya Province Karapınar (II)(İlker ÇAMKERTEN, 2018) Dursun, Şükrü; Gürbüz, Hasan; Bulut, Gaye; Köse, Mehmet; Keskin, Sıddık; Öztürk, CanerThis study was conducted to investigate the effects on the duration of natural meeting and parturition in the merino ewes to the different application of ram effect during the natural breeding season. On the sixth day of the study; In one of two companies (company I), the rams was removed during six days from the flock of sheep. This application was not made on the other (company II). In other company, this application wasn’t done. First enterprise where the rams were removed then again, the rams were joined the flock and second enterprise were mated next 19 and 50 days %90,3 (271/300) and %97 (388/400), respectively. Flocks in the both enterprises were mated with natural mating. Breeding season were completed 39 and 65 days for the first and second sheep enterprise, respectively. When parturition season between enterprises was evaluated, Merino ewes in the first and second enterprises gave birth %87,3 (254/291) and %87,4 (326/373) respectively. Parturition season of the first group was completed in 41days (the first 20 days was more intense) and in the other group lasted for 63 days (the first 29 days was more intense). As the result of this study, the duration of merino ewes exposed to rams (keep 6 days in flock, remove 6 days from flock and get back to the flock) in the breeding season is found to be effective on the time of mate and parturition (P<0.05). In the direction of fertility, there was no difference between practices (P?0.05).