Mulugeta Kebamo, Tujuba Jergefa, & Jiregna Dugassa. (2019). Survival Rate of Calves and Assessment Reproductive Performance of Heifers and Cows in Dida Tuyura Ranch, Borana Zone, Southern Ethiopia. Veterinary  Medicine, 1–8. Retrieved from https://openventio.us/index.php/VM/article/view/543