L. A. Ngongeh, F. E. Nwaiwu, and B. B. Fakae, “Evaluation of the Efficacy of a Field Isolate of <i>Eimeria</i> Oocysts Immunization in Two Breeds of Chickens - Demystifying use of Coccidiosis Vaccines”, AJAS, vol. 7, no. 1, Mar. 2019.