Idowu, K.R., Adeyemi, O.A., Oni, O.O. and Sogunle, O.M. 2020. Evaluation of antibody titers of Noiler chickens fed with different biotic additive against Newcastle disease. Nigerian Journal of Animal Production. 47, 3 (Dec. 2020), 44–49. DOI:https://doi.org/10.51791/njap.v47i3.135.