poultry farming vaccines and vaccinations
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About This Course
Immunization through vaccination is a commonly used method of reducing the risk (increased ID50) and consequence (reduced pathogenicity) of bird or flock exposure to a disease-causing agent..Vaccination is the practice of administering live and/or killed vaccines which have been modified to minimize disease manifestation yet maximize immunity. the primary purpose of immunization is to raise the ID50 of the flock to prevent clinical disease following subsequent challenge. While some vaccines are given to protect that individual bird against disease, others are given to pass the protection on to...