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  • Title: Transmission of Campylobacter spp. to chickens during transport to slaughter.
    Author: Hansson I, Ederoth M, Andersson L, Vågsholm I, Olsson Engvall E.
    Journal: J Appl Microbiol; 2005; 99(5):1149-57. PubMed ID: 16238745.
    Abstract:
    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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