Erysipelothrix rhusiopathiae causes erysipelas in many vertebrate species. Severe disease outbreaks have been noted in many poultry species—chickens, ducks, emus, pheasants, pigeons, and geese. This article describes the biochemical and genetic analyses of six E. rhusiopathiae strains isolated from geese for meat production. The isolates came from birds kept in different poultry houses on one farm, and were collected during two erysipelas outbreaks. We analyzed and compared the isolates by random amplified polymorphic DNA with the use of NK6 primer and pulsed-field gel electrophoresis, with the restriction enzyme SmaI. Biochemical examination was performed with API Coryne test. Analyses showed that the three strains isolated during the first outbreak differed, whereas the three isolates from the second outbreak were identical to one another, but distinct from the isolates from the first outbreak. The results of biochemical and genetic analyses of E. rhusiopathiae strains isolated from geese suggest different sources of infection for the erysipelas outbreaks.
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Vol. 59 • No. 3