Abstract:
Infectious Bursa disease virus (IBDV) causes infectious Bursa Disease (IBD), an immuno-supprcsive disease of young chicken. Aserologica! survey of antibodies lolnfeciious bursa disease virus (IBDV) in unvaccinated local chickens in Lokoja, Kogi State, Nigeria was carried out to determine the prevalence rale of IBDV. Two millilitres (2ml) of blood was collected from each of two hundred and fifty (250) chickensby exsanguination at different point in Lokoja metropolis into sterile sample bottles. Sera preparedwere analysed usingagar gel immunodiffusion test. The seroprevalence of IBDV was 43.6% which is significant ( p < 0.05). Introduction and sustenance of routine vaccination of local chicks against IBDV is highly recommended. Active surveillance of this virus should be conducted to define the true status of the virus in the state.
