Ige , A.; Salako, A.; Yakubu, A.; Adeyemi, S. Qualitative Traits Characterization of Yoruba and Fulani Ecotype Indigenous Chickens in Derived Savannah Zone of Nigeria. Int. J. Poult. Sci. 2012, 11 (10), 616–620. https://doi.org/10.3923/ijps.2012.616.620.