Elhassan, Amira Mohamed, Mohamed Abdalla Fadol, Abdelgafar Mohamed Ali Elfahal, and Abdel Rahim Mohamed El Hussein. 2015. “A Cross Sectional Study on Reproductive Health Disorders in Dairy Cattle in Sudan”. Journal of Advanced Veterinary and Animal Research 2 (2):101-6. https://www.banglajol.info/index.php/JAVAR/article/view/23199.