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)
Journal Title: Journal of Advances in VetBio Science and Techniques - Year 2017, Vol 2, Issue 1
Abstract
This 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 ).
Authors and Affiliations
Şükrü Dursun, Hasan Gürbüz, Gaye Bulut, Mehmet Köse, Sıddık Keskin
Keywords
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