Peters, S.O., B.M. Ilori, M.O. Ozoje, C.O.N. Ikeobi, and O.A. Adebambo. 2008. “Gene Segregation Effects on Fertility and Hatchability of Pure and Crossbred Chicken Genotypes in the Humid Tropics”. International Journal of Poultry Science 7 (10): 954–958. https://doi.org/10.3923/ijps.2008.954.958.