Antimicrobial resistance and multilocus sequence types of Campylobacter jejuni isolated from Baltic broiler chicken meat and Estonian human patients

Poultry Science
Mihkel MäesaarMati Roasto

Abstract

Genotypes of Campylobacter jejuni in Baltic fresh broiler chicken meat and in Estonian human origin samples were determined by using MLST. We observed associations between clonal complexes, sequence types, and antibiotic resistance of C. jejuni isolates. The detection of high proportions of fluoroquinolone resistance among Latvian (100.0%) and Lithuanian (84.6%) origin broiler chicken meat C. jejuni isolates, found in this study, suggests the wide use of these antibiotics in poultry in these countries. MLST of 48 Baltic origin C. jejuni isolates revealed a total of 22 sequence types belonging to 13 clonal complexes. From the 13 assigned CCs and 22 STs, the most prevalent were ST-353 CC and ST-5 consisting of human, Latvian and Lithuanian chicken meat isolates. Among human and chicken meat isolates the resistance rate was 63.6 and 62.2%, respectively. ST-353 isolated from humans were more often resistant to nalidixic acid and ciprofloxacin than the other STs. Strain types ST-5, ST-50, ST-353, ST-354, and ST-429 isolated from poultry were more often resistant to both nalidixic acid and ciprofloxacin than the other STs. Furthermore, ST-353 and ST-354 isolated from poultry were more often resistant against tetracycline than the oth...Continue Reading

References

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Citations

Aug 8, 2019·Euro Surveillance : Bulletin Européen Sur Les Maladies Transmissibles = European Communicable Disease Bulletin·Irēna MeistereAivars Bērziņš
Dec 19, 2020·International Journal of Food Microbiology·Piyada WangroongsarbOrapan Sripichai
Dec 19, 2020·Comprehensive Reviews in Food Science and Food Safety·Arturo B SoroBrijesh K Tiwari

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