Detection and diversity of various Arcobacter species in Danish poultry

International Journal of Food Microbiology
H Ibrahim AtabayMogens Madsen

Abstract

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 chick...Continue Reading

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