LPM 221: Commercial Poultry Production and Hatchery Management (1+1)

LIVE RECOMBINANT VIRUS VACCINES

• Genes coding for immunogenic antigens of various viruses (or other microorganisms) are introduced into the genomes of other non-pathogenic viruses
• Protective immunity
• Vector viruses: adeno, herpes, pox, retrovirus, etc.,
• NDV vaccine, Marek’s disease virus.

Advantages

• Differentiation between vaccinated and naturally infected animals.