Detection and diversity of various Arcobacter species in Danish poultry

H.I. Atabay, Michael Wainø, Mogens Madsen

    Research output: Contribution to journalJournal articleResearchpeer-review


    The prevalence and diversity of different Arcobacter spp. in various poultry species in Denmark were investigated using cultural and multiplex PCR methods. A pool of three fresh droppings obtained at the production site from 70 broiler chicken flocks aged 4-5 weeks was examined. In addition, pools of 10 cloacal swabs taken at the abattoir prior to stunning from each of 15, and 37 duck and turkey flocks, respectively, were analyzed. Thirty fresh broiler chicken carcasses and 29 cloacal swabs from the respective viscera were also examined at the abattoir. Finally, 10 caecal and 10 cloacal swabs from ducks at the abattoir were analyzed individually. In total, 85 Arcobacter isolates were obtained. Of these 45, 20 and 7 were identified as Arcobacter butzleri, Arcobacter cryaerophilus and Arcobacter skirrowii, respectively, using a multiplex PCR. Interestingly, some chicken isolates of A. butzleri showed urease activity, and 6 out of seven A. skirrowi isolates were unable to hydrolyse indoxyl acetate. All chicken carcasses examined were found positive for A. butzleri and/or A. cryaerophilus, whereas 21 (72%) of the 29 chicken cloacal swabs were positive for either A. butzleri (13) or A. cryaerophilus (9). Three (4.3%) out of 70 chicken flocks analyzed were positive only for A. cryaerophilus. Of the ten ducks examined individually, 7 carried A. skirrowii and/or A. cryaerophilus in their cloacae. None of the respective caecal samples were positive. Of the remaining 15 duck flocks, 11 (73%) were positive for A. cryaerophilus (7), A. butzleri (2) or A. skirrowii (2). Four (11%) of the 37 turkey flocks analyzed harboured either A. butzleri or A. cryaerophilus. The carriage rate of Arcobacter was higher in live ducks than those of live broiler chickens and turkeys in the present study. In addition, chicken carcasses slaughtered in Denmark were found to be contaminated with Arcobacter. The presence of Arcobacter spp. both on chicken carcasses and in poultry intestine may be of significance to human health.
    Original languageEnglish
    JournalInternational Journal of Food Microbiology
    Issue number1-2
    Pages (from-to)139-145
    Publication statusPublished - 2006


    • turkeys
    • chicken
    • poultry
    • isolation
    • prevalence
    • ducks
    • A. butzleri
    • Arcobacter

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