| Biochemical characteristics and capsular serotypes of Streptococcus suis isolated from pneumonic lungs of slaughter pigs |
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Sin-hee So1, Bong-hwan Kim1, Gil-jae Cho2 |
1College of Veterinary Medicine, Kyungpook National University
2Equine Health Laboratory, Korean Horse Affairs Association |
| 도축돈의 폐렴병소로부터 분리한 Streptococcus suis의 생물화학적 특성 및 협막혈청형 |
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소신희1, 김봉환1, 조길재2 |
1경북대학교 수의과대학
2한국마사회 마필보건소 |
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| Abstract |
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The present study was conducted to investigate the incidence of Streptococcus suis infection in the pneumonic lungs of slaughter pigs from December 1992 to April 1994 and to examine the biochemical and cultural properties, the antimicrobial susceptibility and serotype of the isolates. Fifty-six(7.95%) strains of S suis was isolated from 704 pneumonic lungs of slaughter pigs, of which 33 cultures were isolated alone, while remaining 18 were complicated wide Pasteurella multocida. Of the 56 S suis isolates, 18(32.1%) were serotype 2, 5(8.9%) were serotype 1/2, 2 were serotype 1, 1 each for serotype 3 & 5, and the remaining 29 were untypable. The twenty five strains(44.6%) of all isolates produced hyaluronidase while 15 strains(88.3%) of 18 serotype 2 isolates were hyaluronidase producers. All of isolates were highly susceptible to ampicillin, amoxicillin, ceftiofur, cephalothin, ciprofloxacin and penicillin G, although the majority of them were resistant to kanamycin, colistin, erythromycin, oxytetracycline. |
| Key Words:
Streptococcus suis, serotype, hyaluronidase, pneumonia, slaughter pigs |
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