Antibiotic susceptibility patterns of mastitis pathogens isolated from Bloemfontein dairy herds.

The antibiotic susceptibility patterns of bacteria associated with subclinical mastitis in Bloemfontein fresh milk dairy herds were determined. A total of 141 bacterial strains tested, consisted of Staphylococcus aureus (93 strains), coagulase negative staphylococci (17), streptococci (12), Corynebacterium bovis (8), Pseudomonas aeruginosa (7) and enterobacteria (4).