Veterinary MedicinePoultry ScienceImmunizationPoultry HealthVaccinologyPoultry ProductionPoultry VaccinationPoultry VaccinologyVaccinationVaccine EffectivenessVaccine PolicyEconomic Performance MeasurementField Evaluation Of VaccinesPoultry VaccinesVaccination RouteVaccine Administration SafetyVaccine Failures
THE most common cause of vaccine failure in poultry is poor vaccine administration. Surveys in the USA have estimated that 75 to 85 per cent of vaccine is maladministered in some way. Planning and attention to detail will improve disease control and therefore the economic performance of poultry. This article presents an overview of the principles of poultry vaccination.