Tremvac-FP CAV is a live poultry vaccine that protects chickens against three viral diseases at once: avian encephalomyelitis (AE), fowl pox, and chicken infectious anemia virus (CAV). It is typically given around 10 to 12 weeks of age to build direct immunity in the flock and passive protection for future chicks.Key Uses Active immunization against avian encephalomyelitis and fowl pox in vaccinated birds Provides passive immunity via the hen to protect chicks against chicken infectious anemia Typically administered around 10 to 12 weeks of age Combines three important disease protections into a single vaccination event Administration NotesFollow your poultry veterinarian's timing recommendations relative to onset of lay, since this is a live vaccine combination intended for pullets prior to production. Vaccinate only healthy birds according to label directions.