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United States Department of Agriculture

Agricultural Research Service

Research Project: INTERVENTIONS AND METHODOLOGIES TO REDUCE HUMAN FOOD-BORNE BACTERIAL PATHOGENS IN CHICKENS

Location: Poultry Microbiological Safety Research

Title: Broiler Contamination and Human Campylobacteriosis in Iceland

Authors
item Callicott, K
item Haroardottir, H - LANDSPITALI NAT UNIV HOSP
item Georgsson, F - LANDSPITALI NAT UNIV HOSP
item Reiersen, J - ICELANDIC VET SERV
item Frioriksdotir, V - ICELANDIC VET SERV
item Hiett, Kelli
item Gunnarsson, E - ICELANDIC VET SERV
item Michel, P - PUBLIC HEALTH CANADA
item Kristinsson, K - LANDSPITALI NAT UNIV HOSP
item Briem, H - DIRECTOR OF HEALTH ICELAN
item Kristinsson, K - LANDSPITALI NAT UNIV HOSP
item Needleman, David
item Stern, Norman

Submitted to: Campylobacter Helicobacter and Related Organisms International Workshop
Publication Type: Abstract Only
Publication Acceptance Date: June 8, 2007
Publication Date: September 2, 2007
Citation: Callicott, K., Haroardottir, H., Georgsson, F., Reiersen, J., Frioriksdotir, V., Hiett, K.L., Gunnarsson, E., Michel, P., Kristinsson, K., Briem, H., Kristinsson, K., Needleman, D.S., Stern, N.J. 2007. Broiler Contamination and Human Campylobacteriosis in Iceland. Campylobacter Helicobacter and Related Organisms International Workshop.

Technical Abstract: To examine whether there is a relationship between the degree of Campylobacter contamination observed in product lots of retail Icelandic broiler chicken carcasses and human disease, isolates from individual product lots were genetically matched (using flaA Short Variable Region) to isolates from cases of human campylobacteriosis whose onset was within approximately two weeks from the date of processing. When there was genetic identity between broiler isolates and human isolates from the appropriate time frame, a retail product lot was classified as implicated in human disease. From this analysis, there were multiple clusters of human disease linked to the same process lot or lots. Retail product lots were also characterized in the laboratory by rinse-direct plating methods to obtain lot mean contamination, maximum contamination, and prevalence. For all three lot descriptors, Mann-Whitney U tests showed that implicated product lots had significantly higher values than non-implicated lots for product distributed both as fresh (mean contamination: P = 0.0007; maximum contamination: P = 0.0212; prevalence: P = 0.0099) and as frozen (P = 0.0212, P = 0.0446, and P = 0.0314, respectively). Our results suggest that broiler-borne campylobacteriosis can occur in outbreaks and that the differences in prevalence and contamination levels may provide a basis for regulatory action other than a presence/absence standard.

Last Modified: 8/30/2014
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