Abdulkadir KESKİN
Veteriner Fakültesi

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Абалы	Çalışmıyor
Илимий даражасы	Prof. Dr.
Изилдөөчүнүн YÖK номуру	161159

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Associations Between GH, PRL, STAT5A, OPN, PIT-1, LEP and FGF2 Polymorphisms and Fertility in Holstein-Friesian Heifers

Abdulkadir KESKİNIn this study, it was aimed to investigate polymorphisms in seven genes (GH, PRL, STAT5A, OPN, PIT-1, LEP and FGF2) related to reproductive traits in dairy heifers. Frequency distributions of the genotypes between fertile and repeat breeder heifers groups were investigated. Allele effects on fertility were also analyzed. Blood samples were taken from a total of 160 Holstein-Friesian heifers and they were divided into two groups according to their artificial insemination numbers (AI). The heifers becoming pregnant after the first AI were used as ...Дагы Макала2017Kafkas Üniversitesi Veteriner Fakültesi DergisiKafkas Üniversitesi48 Көрүүлөр

Genetic diversity of the 3ꞌ and 5ꞌ untranslated regions of the HSP70.1 gene between native Turkish and Holstein Friesian cattle breeds

Abdulkadir KESKİNHeat stress proteins are important factors in protecting cells against environmental stress. The HSP70.1 gene is one of the most important members of the heat stress protein family, which is essential for life, production and reproduction. In this study, partial regions of HSP70.1 (3' and 5' untranslated regions (UTRs)) were sequenced in six cattle breeds. Blood samples of five native breeds, namely Yerli Kara (YK), Boz irk (BI), Yerli Guney Sarisi (YGS), Guney Dogu Anadolu Kirmizisi (GAK) and Dogu Anadolu Kirmizisi (DAK) were collected from th ...Дагы Макала2017South African Journal of Animal ScienceSouth African Society for Animal Science (SASAS), South Africa31 Көрүүлөр

The effect of ovulatory follicle size at the time of insemination on pregnancy rate in lactating dairy cows

Abdulkadir KESKİNThe aims of this study were to determine the factors that affect follicle size at the time of artificial insemination (AI) and to detect the relationship between ovulatory follicle size at the time of AI and pregnancy rate in dairy cows. A total of 1428 follicle size measurements were obtained from Holstein-Friesian (HF) and Swedish Red (SR) cows that were inseminated with the fixed-timed AI protocols used in this study. Follicle size was affected by breed (P - 0.0001), milk production (P - 0.01), parity (P - 0.05), and season (P = 0.04). Folli ...Дагы Макала2016Turkish Journal of Veterinary and Animal SciencesTübitak54 Көрүүлөр

The effects of varying levels of dietary starch on reproductivetraits in lactating dairy cows

Abdulkadir KESKİNThe aim of this study was to determine the effects of three different dietary starch levels on postpartum milk yield, blood metabolites, and reproductive traits in cows. A total of 23 primiparous Holstein-Friesian cows were fed three different diets including different starch levels on a dry matter basis from parturition until day 80. Cows were randomly assigned into the three groups according to the starch levels: low (LS, 16%, n = 7), medium (MS, 20%, n = 8), and high (HS, 24%, n = 8). Milk yields were recorded daily, and body condition score ...Дагы Макала2016Turkish Journal of Veterinary and Animal SciencesTübitak52 Көрүүлөр

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