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 [Internet]. 2021 Jun. 1 [cited 2025 Nov. 30];23(23):21-9. Available from: https://sud-jap.sd/Journal/index.php/sjap/article/view/10