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자료유형
학술저널
저자정보
저널정보
한국동물위생학회(구 한국가축위생학회) 한국가축위생학회지 한국가축위생학회지 제32권 제1호
발행연도
2009.1
수록면
49 - 59 (11page)

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At the present study, it was aimed to explore the states of antimicrobial resistant Salmonella spp. isolates from 3,850 pigs (2,732 ileocecocolic lymphnodes and 1,118 cecal contents) and 1,764 cattle (965 cecal lymphnodes and 799 cecal contents) slaughtered in Busan province from December 2000 to November 2001. Among 5,614 samples, 457 of Salmonella spp. were isolated from pig lymphnodes (13.5%), pig cecal contents (4.4%), cattle lymphnodes (3.5%) and cattle cecal contents (0.5%). Salmonella spp. were showed different isolation ratio, that was 10.8% in summer, 9.0% in autumn, 8.4% in spring and 5.0% in winter. As a result of serotyping, B group (65.4%) were identified as the most common in pigs and cattle, in order of C1 (14.0%), D1 (5.5%), C2 (4.2%), E1 (4.2%) and L (3.5%). 34 serotypes were found, among them, Salmonella Typhimurium (S. Typhimurium) (21.0%) was the most common serotype from pigs and cattle. The major serotypes were in order of S derby (15.3%), S. Schwarzengrund (14.7%), S. Typhimurium var Copenhagen (9.2%), S. Mbandaka (5.7%), S. Enteritidis (5.5%) and S. Ruiru (3.5%). The most common serotype was S. Typhimurium in pigs, and S. Ruiru in cattle. S. Ruiru was firstly isolated from pigs and cattle in Korea. In antimicrobial susceptibility test, all the isolates were demonstrated susceptibility to norfloxacin and ofloxacin. But the isolates were showed resistance other antibiotics in order of doxycycline (68.3%), tetracycline (67.8%), penicillin (54.5%) and streptomycin (52.5%). S. Typhimurium were exhibited resistance to ampicillin (34.8%), chloramphenicol (36.2%), streptomycin (94.9%), sulfamethoxazole/trimethoprim (34.8%) and tetracycline (97.8%). There were 53 strains (38.4%) which had multidrug resistant (MDR) isolates, resistant to more than 6 antimicrobial agents. The most common resistance patterns of MDR isolates were ampicillin, chloramphenicol, carbenicillin, doxycycline, nalidixic acid, penicillin, streptomycin, sulfamethoxazole/trimethoprim and tetracycline (ACCbDNaPSSuT).

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