Serovar, pathogenicity and antimicrobial susceptibility of Erysipelothrix rhusiopathiae isolates from farmed wild boars (Sus scrofa) affected with septicemic erysipelas in Japan

Six strains of Erysipelothrix rhusiopathiae were isolated from farmed wild boars with acute septicemic erysipelas during the period from 1983 to 1998 in Japan. All isolates belonged to serovar 1a or 2 (predominant serovars in swine). The 50 per cent lethal dose values of those isolates ranged from 1...

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Bibliographic Details
Published in:Research in veterinary science 1999-12, Vol.67 (3), p.301-303
Main Authors: YAMAMOTO, K., KIJIMA, M., TAKAHASHI, T., YOSHIMURA, H., TANI, O., KOJYOU, T., YAMAWAKI, Y., TANIMOTO, T.
Format: Article
Language:English
Subjects:
Animals
Erysipelothrix - classification
Erysipelothrix - drug effects
Erysipelothrix - pathogenicity
Erysipelothrix Infections - microbiology
Female
Japan
Mice
Microbial Sensitivity Tests - veterinary
Sepsis - microbiology
Sepsis - veterinary
Swine
Swine Diseases - microbiology
Virulence
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Summary:Six strains of Erysipelothrix rhusiopathiae were isolated from farmed wild boars with acute septicemic erysipelas during the period from 1983 to 1998 in Japan. All isolates belonged to serovar 1a or 2 (predominant serovars in swine). The 50 per cent lethal dose values of those isolates ranged from 101·3to 106·2colony forming units in mice. In swine, all isolates were virulent, capable of inducing localized or generalized urticarial lesions after intradermal inoculation. All of the isolates were resistant to oxytetracycline and/or dihydrostreptomycin. These observations suggest that E. rhusiopathiae strains isolated from wild boars may have aetiological significance in swine erysipelas.
ISSN:0034-5288
1532-2661
DOI:10.1053/rvsc.1999.0311