| Studies on properties and pathogenicity of Erysipelothrix rhusiopathiae isolated from pigs in Korea |
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Jae-gil Yeh1, Ho-bong Seok2 |
1Bayer Veterinary Medical Research Institute
2College of Agriculture, Dankook University |
| 국내(國內) 돼지에서 분리(分離)한 Erysipelothrix rhusiopathiae의 성장(性狀) 및 병원성(病原性) 관한 연구 |
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예재길1, 석호봉2 |
1바이엘 동물의약연구소
2단국대학교 농과대학 |
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| Abstract |
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In studies on Erysipelothrix rhusiopathiae infection of pigs, a series of investigations were conducted for isolation, biochemical properties, pathogenicity, serotyping and susceptibility to antimicrobial agents. The results could be summarized as follows: 1. A total of 14 isolates of E rhusiopathiae were made from an acute form of swine erysipelas and the incidence was high during the hot summer season. 2. The biochemical properties of the 14 isolates were identical to the reference strain of E rhusiopathiae. 3. Pathogenicity of the isolated strain(89368) were ascertained that $LD_{50}$ for mice was $1.8{ imes}10 $ cfu and also typical urticarious lesions and acute septicemia for pigs were induced by intradermal and intravenous inoculation with isolates, respectively. 4. All isolates were serotyped by the agarose gel slide double-diffusion system and proved to be serotype 1. 5. In susceptibility test to antimicrobial agents, 14 isolates of E rhusiopathiae were highly sensitive to ampicillin, baytril, cephalothin, chloramphenicol, penicillin and tetracycline. |
| Key Words:
erysipelothrix rhusiopathiae, swine, serotype, pathogenicity, antimicrobial susceptibility |
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