Colony-forming bacteria
- Klebsiella pneumoniae
- Actinomyces spp.
- Corynebacterium kutscheri (LARGE COLONIES)
Others:
Actinobacillus
Staph
Strep
Trueperella
Yersinia
(YAACSST)
Encapsulated bacteria
- Klebsiella pneumoniae (heavily)
- Actinobacillus pleuropneumoniae (APP)
- Streptococcus pneumoniae
RTX toxin-producing bacteria
Will produce “oat cells”
- Actinobacillus pleuropneumoniae (APP)
- Bordetella bronchiseptica
- Mannheimia haemolytica
Arteritis-causing bacteria
Corynebacterium kutscheri
Most common cause of granulomatous pneumonia in foals
Rhodococcus equi
Most common cause of bacterial meningitis in NHPs
Streptococcus pneumoniae
Causes marbling in cattle
Interlobular septal expansion XXX
- Mycoplasma mycoides subs. mycoides
- Mannheimia haemolytica
Differentials for granulomatous pneumonia in foals
- Rhodococcus equi
- Fungal
- Mycobacterium spp
- Burkholderia mallei
- Foreign body
Poster child bacteria for volcano ulcers
Clostridium difficile
Mannheimia haemolytica virulence factors
- RTX (leukotoxin)- oat cells
- LPS (endotoxin)
- Polysaccharide capsule
- Iron regulated outer membrane proteins
What causes well-demarcated cranioventral bronchopneumonia with consolidation in cattle?
Histophilus somni
Sepsis in a sheep or goat is what agent?
Bibersteinia trehalosi (Pasteurellosis)
Bacterial differentials for pneumonia in sheep
Bibersteinia trehalosi
Mycoplasma ovipneumoniae
Pasteurella multocida
What do mycoplasma spp. cause in small ruminants?
Adults- mastitis and agalactia, maybe arthritis and keratitis
Young- Pneumonia, pleuropneumonia, polyarthritis, sepsis
