(Pfizer Animal Health) IBR, BVD Types I and II, PI3 and BRSV. Give 2 ml IM. For primary vaccination of cows and heifers, give 1 month prior to breeding and booster with BRSV 3-4 weeks later. Safe for pregnant cows or calves nursing pregnant cows, provided they were vaccinated according to label directions with any Bovi-Shield Gold FP or PregGuard Gold FP vaccine within the last 12 months. Annual booster is recommended. Modified live, requires mixing.