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Source : Turkish Journal of V ... ✕Department : Veteriner ✕
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The effect of ovulatory follicle size at the time of insemination on pregnancy rate in lactating dairy cows

Abdulkadir KESKİN

The 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). Follicle size was greater (P = 0.0001) in the HF (15.55 ...More

Article 2016 Veteriner Fakültesi Turkish Journal of Veterinary and Animal Sciences40 ( 1 ) 54 Views
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The effects of varying levels of dietary starch on reproductivetraits in lactating dairy cows

Abdulkadir KESKİN

The 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 (BCS) was determined every week. Transrectal ultr ...More

Article 2016 Veteriner Fakültesi Turkish Journal of Veterinary and Animal Sciences40 ( 3 ) 52 Views
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Formation of the plexus sacralis in pheasants (Phasianus colchicus mongolicus) and macroanatomic investigation of the nerves originating from the plexus sacralis

Fatih Ramazan İSTANBULLUGİL | Hüseyin KARADAĞ | Şamil SEFERGİL

The purpose of this study was to investigate the formation of the plexus sacralis in the Kyrgyz pheasant (Phasianus colchicus mongolicus) and the origin of the nerves emerging from the plexus sacralis. Five adult male Kyrgyz pheasants were used that had been hunted in their natural habitat near the town of Tokmok in the Chuy region of Kyrgyzstan. The plexus sacralis was found to be formed in the lumbar region by the ventral strands of sacral nerves 1 to 5, originating in the spinal cord. The plexus is composed of the truncus cranialis, which consists of the ventral strands of the first 3 nerve ...More

Article 2013 Veteriner Fakültesi Turkish Journal of Veterinary and Animal Sciences37 ( 2 ) 58 Views
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Morphometric development and changes in the growth and development dynamics of Japanese quail populations bred in Kyrgyzstan

Askarbek TÜLÖBAEV | Hasan ALPAK

The purpose of the present study was to determine the live weight development phases from hatchling to adolescent bird of Japanese quails bred in Kyrgyzstan, and to determine the age-related changes in body measurements. Adolescent birds were found to have a body length (distance between first vertebra thoracalis to end of sacrum) coefficient of 3.0, a sternum front to rear end length coefficient of 3.3, a tibia length of 2.34, and a pelvic width (distance between right and left acetabulum) coefficient of 1.58. This indicates good development of the quails Keywords: Growth and development, liv ...More

Article 2012 Veteriner Fakültesi Turkish Journal of Veterinary and Animal Sciences36 ( 4 ) 78 Views
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