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Updated: Aug 15, 2026

Detection and Isolation of Campylobacter spp. from Raw Meat
Published on: February 23, 2024
Transmission of Campylobacter spp. to chickens during transport to slaughter
I Hansson1, M Ederoth, L Andersson
1Department of Bacteriology, National Veterinary Institute, Uppsala, Sweden. ingrid.hansson@sva.se
Aims:
To determine the prevalence of Campylobacter-contaminated transport crates and to determine whether contaminated crates represent a risk for contamination of chickens during transport to slaughter.
Methods And Results:
Samples were collected from cleaned transport crates before they were dispatched to the farms. Chicken groups were sampled within 24 h before transport to slaughter and at the slaughterhouse. Campylobacter spp. were isolated from 69 of 122 (57%) sampled batches of transport crates. Twenty-six slaughter groups, negative at farm level, were transported in batches of crates from which Campylobacter spp. had been isolated. In 11 (42%) of these 26 slaughter groups, Campylobacter spp. were found in samples taken at slaughter. The corresponding figure for at-farm-negative slaughter groups transported in negative crates was four (15%) testing positive at slaughterhouse of 27 slaughter groups [relative risk (RR) = 2.9, 95% CI 1.1-7.3]. In four of 11 slaughter groups, genetic subtyping by pulsed-field gel electrophoresis was able to support the hypothesis of contamination from crates to chickens during transport to slaughter.
Conclusions:
Despite washing and disinfection, crates were frequently contaminated with Campylobacter and it could have contaminated chickens during transport to slaughter.
Significance And Impact Of The Study:
Campylobacter-positive crates are a risk factor for chickens testing campylobacter-positive at slaughter.
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