N. Munyaneza and Y. El Hachimi (2019) “Utilization of Milk Urea Concentration to Study Nitrogen Use Efficiency in Haouz Dairy Herds of Central Morocco”, International Journal of Livestock Research. India, 9(5), pp. 32–39. Available at: https://ijlr.org/ojs_journal/index.php/ijlr/article/view/1249 (Accessed: 26 April 2026).