Elanco Titanium IBR cattle vaccine is modified live vaccine for the vaccination of healthy cattle as an aid the prevention of disease caused by Bovine Rhinotracheitis Vaccine (IBR. Directions: Rehydrate the desiccated vial with accompanying diluent and shake well. Inject 2 mL subcutaneously or intramuscularly using aseptic technique. Annual revaccination is recommended. Calves vaccinated before weaning should be revaccinated 30 days after weaning when the possible influence of maternal antibodies is decreased. ). Do not use in pregnant cows or in calves nursing pregnant cows. Meat withdrawal: 21 days.