Pre-harvest surveillance of Campylobacter and Salmonella in Danish broiler flocks: a 2-year study

A. Wedderkopp, K.O. Gradel, J.C. Jorgensen, Mogens Madsen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    In national surveillance programmes of broiler flocks carried out in Denmark during 1998 and 1999, 89,110 samples for Campylobacter representing 8911 broiler flocks were taken at 10 different abattoirs, and 44,550 samples for Salmonella were taken from the same flocks in the broiler houses at the farms. Of the swabs, 42.5% were Campylobacter positive. Most positive samples were found during July, August and September, while the lowest number of positive samples were found during January, February, March and April. Of the flocks, 5.5% were Salmonella positive, but no seasonal variation was observed. For each flock, the presence of Campylobacter and Salmonella was recorded in order to estimate the possible correlation between colonisation with the two pathogens. In conclusion, no significant effects on intensive cleaning and disinfection procedures on Campylobacter occurrence could be demonstrated, and no significant correlation between occurrence of Campylobacter and Salmonella infections in Danish broilers could be demonstrated which is in contrast to previous observations on concurrent colonisation of broilers with these two zoonotic pathogens.
    Original languageEnglish
    JournalInternational Journal of Food Microbiology
    Volume68
    Issue number1-2
    Pages (from-to)53-59
    ISSN0168-1605
    DOIs
    Publication statusPublished - 2001

    Keywords

    • surveillance
    • disinfection
    • abattoirs
    • Campylobacter
    • zoonoses
    • Denmark
    • chickens
    • broilers
    • Salmonella
    • poultry meat

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