- Aerobic to facultatively anaerobic, non-motile small Gram-negative bacillus or may appear as coccobacillus [Fig 1].
- Grows best on 5% sheep blood agar at 37°C.
- Usually catalase- and oxidase-positive.
- Pasteurella multocida is the most common species causing human infection.
- Other species include P. multocida subspecies septica, P. multocida subsp gallicida, P. canis., P. dagmatis, P. pneumotropica, P. aerogenes and P. stomatis.
- Typing of usually done by serology examining capsular antigens (A-F) although molecular methods are also capable.
- A common inhabitant of feline > canine oral flora. A frequent cause of illness in rabbits.
- Often part of polymicrobial aerobic and anaerobic flora of domestic pet bite wound infections.
- Pasteurella is usually susceptible to penicillins, tetracyclines or chloramphenicol.
There's more to see -- the rest of this topic is available only to subscribers.