“Effect of Age Traits on Semen Characteristics of Artificial Insemination Center Bulls in IRAQ”. JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences 28, no. 1 (April 1, 2020): 45–54. Accessed May 4, 2025. https://www.journalofbabylon.com/index.php/JUBPAS/article/view/2955.