Ukwu, H.O. , Tyo, T.T. and Kuusu, D.J. 2023. Expression of Spur Gene in the Nigerian Indigenous Chickens in the Guinea Savannah Region of Nigeria: Phenotypic Effects . Nigerian Journal of Animal Production. 49, 5 (May 2023), 59–67. DOI:https://doi.org/10.51791/njap.v49i5.3764.