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도축장의 소와 돼지 분변에서 분리한 살모넬라속의 약제내성 및 약제내성 유전자의 보유율
하도윤 ( Do Yun Hah ),지대해 ( Dae Hae Ji ),조상래 ( Sang Rae Jo ),박애라 ( Ae Ra Park ),정은희 ( Eun Hee Jung ),박동엽 ( Dong Yeop Park ),이국천 ( Kuk Cheon Lee ),양정웅 ( Jung Wung Yang ),김종수 ( Jong Shu Kim ),김혜정 ( Hye Jun 한국가축위생학회 2011 韓國家畜衛生學會誌 Vol.34 No.1
This study was conducted to investigate the distribution of Salmonella spp. from pigs and cattle in slaughterhouse, the antimicrobial resistance pattern and the prevalence of resistance genes of isolates. A total of 640 fecal samples from pigs and cattle in slaughterhouse were collected for isolation of Salmonella spp.. Isolation rate was revealed as 15% in pigs and 1.6% in cattle. As result of serotyping, group B (56.6%) were identified as most common in pigs and cattle isolates, in order of group C (24.5%) and group E (15.1%). S. Typhimurium (50.9%) was most common serotype. The major serotypes were in order of S. Rissen and S. London (11.3%) and S. Riggil (7.6%). In antimicrobial test, all isolates were demonstrates susceptibility to nitrofurantoin. But isolates were revealed resistance other antibiotics in order of tetracycline (64.6%), streptomycin (68.3%), ampicillin and amoxicillin (56.3%) and spectinomycin (47.9%). With polymerase chain reaction, antimicrobial resistance gene strA (75.0%) and aadA1 (3.1%) were detected in streptomycin resistance isolates and tetA (94.3%) and tetB (11.3%) gene were detected in tetracycline resistant isolates, but tetG was not detected. Class 1 integron gene was detected in all Salmonella isolates.