Raja Kumari , K. N. (2019) “Assessment of Optimum Threonine Concentration in Diets of WL Layers at Peak Production”, International Journal of Livestock Research. India, 9(1), pp. 245–253. Available at: http://ijlr.org/ojs_journal/index.php/ijlr/article/view/1417 (Accessed: 8 May 2026).