A one-year study of campylobacter carriage by individual Danish broiler chickens as the basis for selection of Campylobacter spp. strains for a chicken infection model

Dang Duong Bang, E.M. Nielsen, K. Knudsen, Mogens Madsen

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    From February 1999 to February 2000, 1250 individual broiler chickens representing 125 broiler flocks originating from 62 broiler farms in Denmark were screened for campylobacter carriage. Every month, 10 flocks were tested for campylobacter carriage. The swabs were tested individually and as a pooled sample representing the flocks. Campylobacter spp. carriage was detected from 512 (40(.)9 %) broiler chickens originating from 63 (50(.)4 %) positive flocks. Campylobacter carriage by both individual chickens and flocks showed seasonal variation. Campylobacter jejuni was the dominant species (95(.)5 %). Campylobacter isolates were typed using Penner heat-stable serotyping and flaA-typing methods. Data of campylobacter carriage by individual chickens and data generated by the use of different typing methods contributed to a better understanding of the dynamics of campylobacter infection within the broiler flocks. C. jejuni Penner heat-stable serotype HS2, flaA-type 1 was the most common type found in Danish broiler chickens.
    Original languageEnglish
    JournalEpidemiology and Infection
    Issue number2
    Pages (from-to)323-333
    Publication statusPublished - 2003

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