Raed Kawkab Al-Muhja, Muntaha Yacoob Yousief, and Allawi Luaibi Dagher Al-Khauzai. “A Study of the Relationship of Genetic Polymorphisms of the PRL Gene With Milk Production and Its Components in Holstein Friesian Cows”. Texas Journal of Agriculture and Biological Sciences 14 (March 30, 2023): 125–130. Accessed November 26, 2024. https://zienjournals.com/index.php/tjabs/article/view/3665.