Pasteurella

P. multocida

Disease association

• Focal soft tissue infection 
• Respiratory disease 
• Systemic disease
• LIVER CIRRHOSIS 
  
  • risk factor for systemic disease

Characteristic

• Gram Stain
  
  • Coccobacilli;
  • frequent bipolar staining
• BAP
  
  • Convex, smooth, gray, nonhemolytic, some are rough and mucoid; some have MUSTY OR MUSHROOM ODOR

P. pneumotropica

Disease association

• Rare systemic infection

Characteristic

• Gram stain
  
  • Short, straight bacill
• BAP
  
  • Convex, smooth nonhemolytic

P. bettyae

Disease association

• Genital tractassociated disease
• neonatal infection

Characteristic 

• Gram stain
  
  • Thinner, short, straight bacilli
• BAP
  
  • Convex, smooth, nonhemolytic