(Novartis Animal Health) IBR, BVD Types I and II, PI3 and BRSV. Give 2 ml SQ for primary vaccination, booster with BRSV in 3-4 weeks. Proven safe in calves 4 weeks of age or older. Calves vaccinated with BRD Shield prior to 6 months of age should be revaccinated after 6 months of age. Annual booster is recommended. Do not use BRD Shield in pregnant cows or calves nursing pregnant cows.