Characterization of Butana Cattle Production System in the River Nile State, Sudan: Raga A. Y. Yagoub1, L. A. Musa2and M-K . A. Ahmed3. The Sudan Journal Of Animal Production. 2021;23(23):21-29. Accessed November 30, 2025. https://sud-jap.sd/Journal/index.php/sjap/article/view/10