Okolo, G. P. ., Egena, S. S. A. ., Otu, B. O., & Sikiru, A. B. (2023). Expression of major histocompatibility complex class II gene in commercial strains of broiler chickens administered varying levels of aqueous ginger extract . Nigerian Journal of Animal Production, 49(5), 147–155. https://doi.org/10.51791/njap.v49i5.3773