CLOXIVET - INTRAMAMMARY INFUSION Use 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. It is effective against: Streptococcus agalactiae, Streptococcus dysgalactiae and other Streptococcal spp., Staphylococci spp. and Arcanobacterium pyogenes.