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Pfizer - For vaccination of healthy, non-pregnant cattle as an aid in preventing infectious bovine rhinotrachetis caused by infectious bovine rhinotrachetis (IBR) virus
Dosage: 2 ml to healthy cattle. To avoid possible maternal antibody interference with active immunization, calves vaccinated before 6 months of age should be revaccinated after 6 months of age. Revaccinate annually. 21 day withdrawal.