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Investigation Of The Promoter Polymorphisms Of The Growth Hormone (Gh1), Growth Hormone Receptor (Ghr), Insulin-Like Growth Factor (Igf-I), And Prolactin (Prl) Genes And The Correlation Between Gene Expression And Milk Yields In Holstein Cattle Raised In Central Anatolia, Korhan Arslan, Serpi̇l Taheri̇, Eli̇f Funda Şener, Bi̇lal Akyüz, Aytaç Akçay, Yusuf Özkul, Kaan Muhsi̇n İşcan
Investigation Of The Promoter Polymorphisms Of The Growth Hormone (Gh1), Growth Hormone Receptor (Ghr), Insulin-Like Growth Factor (Igf-I), And Prolactin (Prl) Genes And The Correlation Between Gene Expression And Milk Yields In Holstein Cattle Raised In Central Anatolia, Korhan Arslan, Serpi̇l Taheri̇, Eli̇f Funda Şener, Bi̇lal Akyüz, Aytaç Akçay, Yusuf Özkul, Kaan Muhsi̇n İşcan
Turkish Journal of Veterinary & Animal Sciences
The aim of this study was to investigate the promoter polymorphisms of the growth hormone (GH1), growth hormone receptor (GHR), insulin-like growth factor (IGF-I), and prolactin (PRL) genes, and the correlation of the expression levels of these genes with lactation and daily milk yields in Holstein cattle. A total of 154 lactating Holstein cows raised in the Central Anatolia Region of Turkey, with a mean age of 5.4 years and a mean body weight of 571.7 kg, constituted the study material. Each blood sample was examined by real-time PCR for mRNA expression levels and the promoter polymorphisms of the GH1, …