Risk factors for Campylobacter colonisation during rearing of broiler flocks in Great Britain

J. Ellis-Iversen*, F. Jorgensen, S. Bull, L. Powell, A. J. Cook, T. J. Humphrey

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    50 Citations (Scopus)

    Abstract

    We investigated the associations between Campylobacter colonisation and management practices and farm characteristics in 603 housed broiler batches originating from 137 farms in Great Britain. All study batches were the initial batch slaughtered from the selected house on enrolled farms. Between 1 and 15 batches were sampled from each farm throughout the study. A total of 34.2% of the batches was Campylobacter positive and multivariable multilevel logistic regression revealed that the risk of Campylobacter colonisation was highest in July (OR = 3.4, CI95%:1.8; 6.4), August (OR = 3.4, CI95%:1.9; 6.2) and September (OR = 3.7, CI95%:1.9; 7.1). Cattle on or adjacent to the farm increased the risk (OR = 1.7, CI95%:1.1; 2.7), whereas chlorinated drinking water reduced it (OR = 0.5, CI95%:0.2; 0.9). If the first removed batch from the previous flock in the house had been Campylobacter positive, the first batch of the following flock was also more likely to be colonised (OR = 3.2, CI95%:2.1; 4.9). This association was more likely due to a persistent risk practice or source of Campylobacter on the farm than a direct carry-over from previous flock. Crown

    Original languageEnglish
    Pages (from-to)178-184
    Number of pages7
    JournalPreventive Veterinary Medicine
    Volume89
    Issue number3-4
    DOIs
    Publication statusPublished - 1 Jun 2009

    Bibliographical note

    Funding Information:
    We would like to thank the participating farms and poultry companies for providing the data for the study and the staff at Centre for Epidemiology and Risk Analysis, VLA for data management. We would also like to thank Roger Lovell for technical assistance, Alistair Thomas for original data collection and Sue Meredith for inputting of data. This study was funded by the Food Standards Agency under project B15001.

    Keywords

    • Broiler husbandry
    • Campylobacter
    • Logistic regression
    • On farm
    • Risk factor

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