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Antibiotic resistance of retail food and human Campylobacter isolates on the island of Ireland from 2001–2002

Published online by Cambridge University Press:  20 April 2006

K. McGILL ,
D. COWLEY ,
L. MORAN ,
P. SCATES ,
A. O'LEARY ,
R. H. MADDEN ,
C. CARROLL ,
E. McNAMARA ,
J. E. MOORE  and
S. FANNING
...Show all authors
K. McGILL
Affiliation:
Veterinary Public Health and Food Safety Research Laboratory, School of Agriculture, Food Science and Veterinary Medicine, University College Dublin, Belfield, Dublin, Ireland
D. COWLEY
Affiliation:
Veterinary Public Health and Food Safety Research Laboratory, School of Agriculture, Food Science and Veterinary Medicine, University College Dublin, Belfield, Dublin, Ireland
L. MORAN
Affiliation:
Food Science Division (Food Microbiology), Department of Agriculture and Rural Development, Belfast, Northern Ireland
P. SCATES
Affiliation:
Food Science Division (Food Microbiology), Department of Agriculture and Rural Development, Belfast, Northern Ireland Food Microbiology, Queens University of Belfast, Belfast, Northern Ireland
A. O'LEARY
Affiliation:
Enteric Pathogen Research Laboratory, Department of Microbiology, National University of Ireland, Galway, Ireland
R. H. MADDEN
Affiliation:
Food Science Division (Food Microbiology), Department of Agriculture and Rural Development, Belfast, Northern Ireland Food Microbiology, Queens University of Belfast, Belfast, Northern Ireland
C. CARROLL
Affiliation:
Enteric Pathogen Research Laboratory, Department of Microbiology, National University of Ireland, Galway, Ireland
E. McNAMARA
Affiliation:
Public Health Laboratory, Health Service Executive, South Western Area, Cherry Orchard Hospital, Ballyfermot, Dublin, Ireland
J. E. MOORE
Affiliation:
Northern Ireland Public Health Laboratory, Department of Bacteriology, Belfast City Hospital, Belfast, Northern Ireland
S. FANNING
Affiliation:
Veterinary Public Health and Food Safety Research Laboratory, School of Agriculture, Food Science and Veterinary Medicine, University College Dublin, Belfield, Dublin, Ireland Centre for Food Safety, School of Agriculture, Food Science and Veterinary Medicine, University College Dublin, Belfield, Dublin, Ireland
J. D. COLLINS
Affiliation:
Veterinary Public Health and Food Safety Research Laboratory, School of Agriculture, Food Science and Veterinary Medicine, University College Dublin, Belfield, Dublin, Ireland
P. WHYTE
Affiliation:
Veterinary Public Health and Food Safety Research Laboratory, School of Agriculture, Food Science and Veterinary Medicine, University College Dublin, Belfield, Dublin, Ireland Centre for Food Safety, School of Agriculture, Food Science and Veterinary Medicine, University College Dublin, Belfield, Dublin, Ireland
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Abstract

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The antimicrobial resistance profiles of Campylobacter isolates recovered from a range of retail food samples (n=374) and humans (n=314) to eight antimicrobial compounds were investigated. High levels of resistance in food C. jejuni isolates were observed for ceftiofur (58%), ampicillin (25%) and nalidixic acid (17%) with lower levels observed for streptomycin (7·9%) and chloramphenicol (8·3%). A total of 80% of human C. jejuni isolates were resistant to ceftiofur, while 17% showed resistance to ampicillin and nalidixic acid, 8·6% to streptomycin and 4·1% to chloramphenicol. Resistance to clinically relevant antimicrobials such as erythromycin, ciprofloxacin and tetracycline was 6·7, 12, and 15% respectively for all food isolates and was similar to corresponding resistance prevalences observed for human isolates, where 6·4, 12 and 13% respectively were found to be resistant. Comparisons of C. jejuni isolates in each location showed a high degree of similarity although some regional variations did exist. Comparison of total C. jejuni and C. coli populations showed minor differences, with C. jejuni isolates more resistant to ampicillin and ceftiofur. Multidrug resistance patterns showed some profiles common to human and clinical isolates.

Type
Research Article
Information
Epidemiology & Infection , Volume 134 , Issue 6 , December 2006 , pp. 1282 - 1291
Copyright
2006 Cambridge University Press