Erysipelothrix & Renibacterium Flashcards
Where to find Erysipelothrix
alimentary tract, mud, slime layer of fish, in up to 50% of healthy pigs, generally widespread
What does Erysipelothrix look like
1-3 micrometer thin curved rods
Are E capsulated
thin capsule
Resistance
good
Culture (temp. , ph, agar, colonies)
5-42°c
ph:6,7-9,2
nutrient agar
colonies are pin point and can be S/R
What is the difference between S/R pathogenetically
S are acute infections - unifrom turbididty
R are chronic infections - sediment
C O
Both -
O/F
fermentative
Do E have flagellae
Na
O2?
yeee
What else do they produce which is kinda special
H2S
Name the virulence Factors of E
Coagulase
hyaluronidase
neuraminidase
Path?
fac. path
Name the 2 relevant spec
E. rhusiopathiae
E. tonsillarium
What does E. rhusiopathiae cause
diamond skin disease, swine erysipelas
Describe sw erysipelas
- septicaemia
- chronic arthrits
- abortion
In what other species does E. rhusiopathiae cause diseases
Sheep wound infection, Ho erysipeloid (cellulitis) - fishers
E. tonsillarum is also path. to Su T/F
F
What does E. tonsillarum cause
endocarditis in dogs
Renibacterium GO!
- water, fish
- 1 mm rods
- aerobic, fastidious
- obl. path. - IC !!
- R.salmonarium
- septicaemia