Abou saq, Fathi M., and Khaled M. Ben Naser. “Genetic and Phenotypic Trends of Milk Production Traits in An Egyptien Friesian Herd”. The Libyan Journal of Agriculture 26, no. 1 (June 30, 2021): 66–75. Accessed September 5, 2026. https://journals.uot.edu.ly/index.php/ljagric/article/view/2613.