Antimicrobial resistance of Campylobacter spp. in wild game pheasants (Phasianus colchicus) in Scotland.

Cosmin Chintoan-Uta, Alessandro Seguino

Research output: Contribution to conferenceAbstractpeer-review


Campylobacter is the most common cause of bacterial food-borne diarrhoeal disease in the UK. While farmed poultry account for the majority of infections, campylobacteriosis can also be acquired from wild game birds, including pheasants. Even though antibiotics are still used in pheasant rearing, the carriage of antimicrobial resistant Campylobacter by these birds is unknown. A total of 287 samples were collected during the 2013/2014 hunting season in Scotland. Campylobacter from caecal contents were isolated and enumerated on mCCDA from 36.6% of the samples, with a mean bacterial load of 2.7x104 CFU/g. Polymerase chain reactions (PCR) to determine species were successful on 99 samples and indicated that C. coli and C. jejuni accounted for 62.6% and 37.4% of samples. Using the EUCAST disc diffusion methods, 69 samples were tested for resistance against ciprofloxacin, erythromycin and tetracycline. Resistance to these antibiotics was identified in 36.5%, 25% and 3.8% of the samples respectively. Double resistance to ciprofloxacin and erythromycin was identified in 27% of the samples and in one sampling region accounted for 6/9 samples. PCRs for detection of antimicrobial resistance (AMR) genes are ongoing. Using data from an FSS-funded analysis of sequence types in these samples, most of the resistant isolates were identified as C. coli ST 828. As this isolate is most common in pheasants and it has been reported in human clinical infections, this study highlights the possibility that certain types of food sources may pose an increased risk of transmission of AMR due to their particular management methods.
Original languageEnglish
Publication statusPublished - 10 Apr 2018
EventMicrobiology Society Annual Conference - ICC, Birmingham, United Kingdom
Duration: 10 Apr 201813 Apr 2018


ConferenceMicrobiology Society Annual Conference
Country/TerritoryUnited Kingdom
Internet address


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