Owen, O. J., E.M. Ngodigha, and A.O. Amakiri. “Proximate Composition of Heat Treated Poultry Litter (Layers)”. International Journal of Poultry Science 7, no. 11 (October 15, 2008): 1033–1035. Accessed September 22, 2025. https://ijpsjournal.org/index.php/ijps/article/view/1071.