31.05.2022
P.A Boasiako, O.D Boakye, K.A Adusei, J.A Hamidu, P.M Amponsah, B.O EmikpeThe main control strategy against Newcastle disease in most endemic countries is to routinely vaccinate birds at various stages of their developmental life cycle. This study was conducted to compare the immune response in chicks vaccinated using the Old (1980) and New (2017) vacc …