Odukwe, C. N., Ukachukwu, S. N., Onunkwo, D. N., & Oke, U. K. (2020). Effect of varying energy and protein levels on carcass characteristics of helmet Guinea fowls in the tropics. Nigerian Journal of Animal Production, 44(1), 222–226. https://doi.org/10.51791/njap.v44i1.783