Erysipelothrix Flashcards
What is the most important Erysipelothrix species?
Erysipelothrix rhusiopathiae
What does Erysipelothrix rhusiopathiae cause in swine in turkeys (general)?
erysipelas
What does Erysipelothrix rhusiopathiae cause in humans?
eysipeloid
On gram stain, what does Erysupelothrixlook like?
gram positive, decolorizes easily, slender rod
What does the Erysipelothrix culture look like?
tiny, alpha hemolytic, clear colonies
What tests are good for identifying Erysipelothrix?
catalase and Kligers
Is Erysipelothrix catalase positive or negative?
negative
How does Erysipelothrix respond in the Kliger’s test?
it is H2S positive
What is Erysipelothrix rhusiopathiae resistant to?
drying and meat curing, and resists phenol
How long does Erysipelothrix rhusiopathiae survive in soil?
many months
What is the natural habitat of Erysipelothrix rhusiopathiase?
tonsils and intestines of 50% of swine
How is Erysipelothrix rhusiopathiae excreted?
in feces and urine
What acid does Erysipelothrix rhusiopathiae have?
lipoteichoic acid
How does the acute form of erysipelas present in swine?
septicemia, high fever, lameness, and death
How does the skin form of erysipelas present in swine?
diamond skin disease - thrombosis of capillaries and venules
How does the chronic form of erysipelas present in swine?
endocarditis and arthritis
What sex is erysipelas the most common in in turkeys?
males
How does erysipelas present in turkeys?
septicemia and cyanosis
How does erysipelas present in animals other than turkeys and swine?
septicemia, skin lesions, and lameness
How does Erysipelothrix infect humans?
through wounds or by infected swine or pork
Where do lesions from erysipeloid usually present?
on the hands and arms
How long does it take for lesions from erysipeloid to resolve themselves?
3 weeks
How do you diagnose erysipelas?
with culture and clinical signs
How is immunity to erysipelas achieved?
getting infected gets you a one way ticket to lifelong immunity - after you recover that is
