^a Recommendations are for production areas where the diseases listed are common. In addition, other vaccinations may be advisable if previous experience indicates a prevalence of certain diseases in the area. These may include turkey bordetellosis eye drop vaccine at 1 day old and in water or spray at 14 days old, or bacterin; paramyxovirus 3 and influenza A (prevalent hemagglutinin) at 26–28 and 40 weeks old; erysipelas—live or killed products might be required for market turkeys, and repeated vaccinations might be required for breeders; and salmonellosis bacterins at 24 and 28 weeks old. DW, drinking water; ND, Newcastle disease; WW, wing web stab.

^b Recommended age at vaccination is an approximation.

^c Spray vaccines against Newcastle disease should not be administered to birds suffering from respiratory disease; in such cases and at that age, the mild B1-B1 strain vaccine can be administered in water. The timing of vaccination depends on maternal antibody levels.

^d Live fowl cholera vaccines should be used only in healthy flocks.