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. 2025 Jun 2;13(7):e02955-24. doi: 10.1128/spectrum.02955-24

Fig 2.

PFGE dendrogram presents similarity clusters of Salmonella Infantis strains by year, region, facility, and source. Most 2022 isolates cluster under PFGE profile I with multi-drug resistance. Older isolates from 2014 and 2015 belong to distinct profiles.

PFGE analysis and antimicrobial resistance patterns of 95 S. Infantis isolates from chicken slaughterhouses in South Korea (2014–2022). CB, Chungbuk; CN, Chungnam; GB, Gyeongbuk; GN, Gyeongnam; JB, Jeonbuk; JN, Jeonnam; AMP, ampicillin; AUG, amoxicillin-clavulanic acid; AXO, ceftriaxone; AZI, azithromycin; CHL, chloramphenicol; CIP, ciprofloxacin; FIS, sulfisoxazole; FOX, cefoxitin; GEN, gentamicin; NAL, nalidixic acid; STR, streptomycin; SXT, trimethoprim-sulfamethoxazole; TET, tetracycline; XNL, ceftiofur.