Jassim , Suaad Shnawa, and Hamza Mizail Hawa. “Effect of Interleukin -6 Level on Reproductive Performance in Holstein Cows ”. Kufa Journal for Agricultural Sciences 15, no. 2 (December 1, 2023): 28–32. Accessed May 10, 2026. https://journal.uokufa.edu.iq/index.php/kjas/article/view/3860.