
Keywords: نقطه انفجار، روز پس از تلقیح; Avian paramyxovirus; APMV; Newcastle disease virus; NDV; Vaccine vector; Antibody responseAI, avian influenza; APMV, avian paramyxovirus; DIVA, Differentiating Infected from vaccinated animals; dpi, days post inoculation; EID, embryo infectious dose; F, f