« Evaluation of Piper guineense (West African black pepper ) as a feed additive on carcass yield, meat colour and lipid profile of broiler chickens under two housing types ». Nigerian Journal of Animal Production 53, no. 2 (mars 25, 2026): 11–28. Consulté le octobre 15, 2026. https://www.njap.org.ng/index.php/njap/article/view/9193.