Journal
IRISH VETERINARY JOURNAL
Volume 67, Issue -, Pages -Publisher
BMC
DOI: 10.1186/2046-0481-67-8
Keywords
Herring gull; Larus argentatus; Deer; Antimicrobial resistance; Escherichia coli
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Funding
- University College Dublin Seed Funding - Horizon Scanning
- UCD School of Agriculture and Food Science Research and Innovation Committee
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Background: The emergence and dissemination of antimicrobial resistance (AMR) is a growing concern to public and animal health. The contribution attributable to wildlife remains unclear. In this study two unrelated wildlife species herring gulls (Larus argentatus) and a hybrid deer (Cervus elaphus x Cervus nippon) were investigated for the presence of Escherichia coli expressing an AMR phenotype. Findings: Bacterial isolates resistant to beta-lactam compounds were identified in both animal species and the production of functional beta-lactamase was confirmed using nitrocefin. The prevalence of resistant isolates was higher in herring gulls (87%) compared to deer (31%). Resistance to this class of antibiotic was found only in non-pathogenic E. coli in herring gulls and in both pathogenic and non-pathogenic E. coli strains in deer. Conclusions: The presence of AMR in wildlife has implications for public health, food safety and potable water source protection among others.
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