Cattlemaster 4 is a unique line of chemically altered, genetically stable IBR and PI3 virus strains combined with a killed BVD protects against IBR, BVD, PI3, and BRSV. Dosage is 2 ml given IM and repeated in 2 to 4 weeks. Safe in pregnant cows. Pfizer. Try searching for "Cattlemaster" on our site.
You can find it at Valley Vet Supply, home of all your animal health care products and more!!