Seroprevalence of Newcastle disease in local chickensfrom southeast derived savannah zone of Nigeria ; Prevalencia serologica de la enfermedad de Newcastle en pollos locales de la zona derivada de la sabana sudeste en Nigeria ; Seroprevalence de la maladie de Newcastle chez des poulets d'élevage fermier dans la zone de savanes au sud-est du Nigeria

A serologic surveillance study was conducted in the Southeastern zone of Nigeria to document some operative epidemiologic factors which determine Newcastle disease (ND) epizootic in village chickens of the area. A high seroprevalence, indicator of ND virus activity of 63%, was recorded in the birds. Infection was widespread as no single village chicken population was free of ND. A seasonal pattern of ND virus activity is depicted by a higher prevalence and intensity of ND virus activity (HI titres) in the dry season (harmattan) than wet season. Egg-yolk hemagglutination inhibition test is prop... Mehr ...