Essen, P., Njoku, G., Ewa, U.E., Okonkwo, M., Mbah, I. and Donkoh, D. 2026. Growth response, carcass characteristics and economic returns of broiler chickens fed diets containing graded levels of ginger (Zingiber officinale) rhizome meal as a feed additive. Nigerian Journal of Animal Science. 26, 3 (Jun. 2026), 193–204.