“Effect Effect of the Poly-Unsaturated Fatty Acids (Omega-3) on Postpartum Fertility and Energy Balance of Dairy Cows in Syria”. Journal of Hama University 1, no. 1 (July 15, 2019). Accessed April 25, 2026. https://hama-univ.edu.sy/ojs/index.php/huj/article/view/51.