Salawu, H. O., A. O. Ige, A. B. Ajibola, and A. D. Matt-Obabu. “Orexin Gene Expression Analysis in Two Nigerian Indigenous and Exotic Chickens Using Quantitative Polymerase Chain Reaction (qPCR)”. Brazilian Journal of Science, vol. 4, no. 11, Oct. 2025, pp. 17-25, doi:10.14295/bjs.v4i11.809.