N. Omer, Nawal., Nahid Gornas, Siham A. Rahmatalla, and Mohamed-Khair A. Ahmed. 2016. “Genetic Characterization of Indigenous Sudanese Cattle Using FSHR and LHR Genes”. American Scientific Research Journal for Engineering, Technology, and Sciences 24 (1):1-9. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/1185.