For routine use in cows at drying off, to treat existing intramammary infections and to assist in preventing new infections occurring during the dry period. Bovimast DC contains cloxacillin which is active against the following major pathogens associated with mastitis: Penicillin resistant and sensitive Staphylococci spp., Micrococci, Streptococcus agalactiae and Corynebacterium spp.