Aderibigbe, T.A., J.O. Atteh, O.I. Alli, and K.M. Okukpe. 2023. “Effects of Xylanase Enzyme Supplemented Palm Kernel Cake (PKC) Diet on Performance and Nutrient Retention of Broiler Chickens”. Nigerian Journal of Animal Science 20 (4):402-13. https://www.njas.org.ng/index.php/php/article/view/1045.