소와 돼지 도축장 도체 및 환경에서 분리된 병원성대장균 분포 및 특성조사

Serim Hong; Hye Jeong Kang; Jin-San Moon; Soon-Seek Yoon; Ha-Young Kim

doi:10.7853/kjvs.2022.45.3.191

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자료유형: 학술저널

저자정보: Serim Hong (Bacterial Disease Division Animal and Plant Quarantine Agency Gimcheon) Hye Jeong Kang (Bacterial Disease Division Animal and Plant Quarantine Agency Gimcheon) Jin-San Moon (Bacterial Disease Division Animal and Plant Quarantine Agency Gimcheon) Soon-Seek Yoon (Bacterial Disease Division Animal and Plant Quarantine Agency Gimcheon Korea) Ha-Young Kim (Bacterial Disease Division Animal and Plant Quarantine Agency Gimcheon)

저널정보: 한국동물위생학회(구 한국가축위생학회) 한국가축위생학회지 한국가축위생학회지 제45권 제3호

발행연도: 2022.9

수록면: 191 - 199 (9page)

DOI: 10.7853/kjvs.2022.45.3.191

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We investigated the virulence genes, O-serotypes, antimicrobial resistance of pathogenic E. coli isolated from carcasses (n=455) and environmental (n=372) samples of 11 cattle and 12 pig slaugh-terhouses from December 2020 to December 2021. E. coli were isolated from nine carcasses (2.0%), three slaughter facilities (1.4%), two utensils (2.7%) and three abattoir workers (3.5%) from four cattle and four pig slaughterhouses. Among all isolates, 13 STEC (76.5%) were identified, followed by four EPEC (23.5%). As a result of the antibiotic susceptibility test, all isolates were resistant to at least one antimicrobial, of which 70.6% isolates showed multidrug resistance patterns. The serotypes were diverse in pigs compared to cattle, with serotypes O18, O66, O109 in cattle and O9, O76, O85, O100, O153, and O159 in pigs. In a single cattle slaughterhouse, eight STEC O66 were isolated from various types of sample (4 slaughter animal surfaces, 3 gloves, and 1 knife) with two antimicrobial resistance patterns (CHL-FIS-STR and CHL-FIS). Those two types of strain were suspected cross-contamination from utensils to slaughter animal surfaces. These results showed that pathogenic E. coli were detected in carcasses and various environmental samples in cattle and pig slaughterhouses. Nationwide monitoring and hygiene management are required to prevent cross-contamination of STEC isolate slaughterhouses.

#Cattle #Pig #Slaughterhouse #Pathogenic Escherichia coli

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