Bacteria

Question 1

Colony-forming bacteria

Answer 1

1. Klebsiella pneumoniae
2. Actinomyces spp.
3. Corynebacterium kutscheri (LARGE COLONIES)

Others:
Actinobacillus
Staph
Strep
Trueperella
Yersinia
(YAACSST)

Question 2

Encapsulated bacteria

Answer 2

1. Klebsiella pneumoniae (heavily)
2. Actinobacillus pleuropneumoniae (APP)
3. Streptococcus pneumoniae

Question 3

RTX toxin-producing bacteria

Will produce “oat cells”

Answer 3

1. Actinobacillus pleuropneumoniae (APP)
2. Bordetella bronchiseptica
3. Mannheimia haemolytica

Question 4

Arteritis-causing bacteria

Answer 4

Corynebacterium kutscheri

Question 5

Most common cause of granulomatous pneumonia in foals

Answer 5

Rhodococcus equi

Question 6

Most common cause of bacterial meningitis in NHPs

Answer 6

Streptococcus pneumoniae

Question 7

Causes marbling in cattle

Interlobular septal expansion XXX

Answer 7

1. Mycoplasma mycoides subs. mycoides
2. Mannheimia haemolytica

Question 8

Differentials for granulomatous pneumonia in foals

Answer 8

• Rhodococcus equi
• Fungal
• Mycobacterium spp
• Burkholderia mallei
• Foreign body

Question 9

Poster child bacteria for volcano ulcers

Answer 9

Clostridium difficile

Question 10

Mannheimia haemolytica virulence factors

Answer 10

1. RTX (leukotoxin)- oat cells
2. LPS (endotoxin)
3. Polysaccharide capsule
4. Iron regulated outer membrane proteins

Question 11

What causes well-demarcated cranioventral bronchopneumonia with consolidation in cattle?

Answer 11

Histophilus somni

Question 12

Sepsis in a sheep or goat is what agent?

Answer 12

Bibersteinia trehalosi (Pasteurellosis)

Question 13

Bacterial differentials for pneumonia in sheep

Answer 13

Bibersteinia trehalosi
Mycoplasma ovipneumoniae
Pasteurella multocida