ZAIED, A. A., H. J. IRVIN, H. A. GARVERICK, A. M. SHAREHA, and A. EL-MAHI. “Effect of Days Postpartum and Endogenous Plasma Progesterone Concentrations on Estradiol Benzoate Induced LH Release in Dairy Cattle”. The Libyan Journal of Agriculture 11, no. 1 (April 16, 2023). Accessed July 17, 2024. http://uot.edu.ly/journals/index.php/ljagric/article/view/469.