The introduction of Arcobacter spp. in poultry slaughterhouses
2008
Ho, Hoa T.K. | Lipman, Len J.A. | Gaastra, Wim
Despite the presence high levels of Arcobacter spp. on chicken carcasses, the source of arcobacter contamination in slaughterhouses still remains unclear. It has been hypothesised in the literature that Arcobacter species that contaminate carcasses originate in in-plant slaughterhouses and/or supply water. The present study aimed to determine the source of Arcobacter contamination in two poultry slaughterhouses in The Netherlands. Carcasses and intestinal tracts from 3 hen flocks and 2 broiler flocks were collected. Water draining off carcasses during processing in 2 slaughterhouses and supply water in one slaughterhouse were also taken. For one flock, cloacal swabs and faecal samples were taken on the farm before slaughtering. ERIC-PCR was applied to study the genetic diversity and relationship among the isolates. No Arcobacter spp. were found in the supply water but on almost all of the sampled carcasses and in carcass-draining-off water arcobacters were identified. Arcobacter spp. were detected in the gut systems of chickens, ranging from 20% to 85% in hens and 3.3% and 51% in broilers. Similar ERIC-PCR genotypes were detected in gut contents as well as on carcasses from the same flock. The present study demonstrated that Arcobacter spp. can be detected in chicken intestines at slaughter and could be brought in this way into slaughterhouses where the bacteria contaminate carcasses during processing.
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