Good Gram (+) aerobes: Bacillus, Corynebacterium sp., E. rhusiopathiae, staphylococci, Streptococci (but not enterococci). Gram (-) bacteria: Campylobacter. Anaerobes

including Actinomyces, Bacteroides (including B. fragilis) C. perfringens (but not ail Clostridium), Fusobacterium, anaerobic cocci and T. hyodysenteriae.

Resistant all aerobic Gram (-) rods, Nocardia, Mycobacterium sp.