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Int J Food Microbiol. 2015 Feb 2;194:25-31. doi: 10.1016/j.ijfoodmicro.2014.11.004. Epub 2014 Nov 13.

Campylobacter carcass contamination throughout the slaughter process of Campylobacter-positive broiler batches.

Author information

1
Ghent University, Faculty of Veterinary Medicine, Department of Veterinary Public Health and Food Safety, Salisburylaan 133, 9820 Merelbeke, Belgium. Electronic address: Tomasz.Seliwiorstow@UGent.be.
2
Ghent University, Faculty of Veterinary Medicine, Department of Veterinary Public Health and Food Safety, Salisburylaan 133, 9820 Merelbeke, Belgium.
3
Ghent University, Faculty of Bioscience Engineering, Department of Food Safety and Food Quality, Coupure Links 653, 9000 Gent, Belgium.

Abstract

Campylobacter contamination on broiler carcasses of Campylobacter colonized flocks was quantified at seven sampling sites throughout the slaughter process. For this purpose, in four slaughterhouses samples were collected from twelve Campylobacter positive batches. Broilers from all visits carried high numbers of campylobacters in their caeca (≥7.9log10cfu/g). Campylobacter counts on feathers (up to 6.8log10cfu/g), positively associated with the breast skin contamination of incoming birds and carcasses after plucking, were identified as an additional source of carcass contamination. A high variability in Campylobacter carcass contamination on breast skin samples within batches and between batches in the same slaughterhouse and between slaughterhouses was observed. In slaughterhouses A, B, C and D Campylobacter counts exceeded a limit of 1000cfu/g on 50%, 56%, 78% and 11% of carcasses after chilling, respectively. This finding indicates that certain slaughterhouses are able to better control Campylobacter contamination than others. Overall, the present study focuses on the descriptive analysis of Campylobacter counts in different slaughterhouses, different batches within a slaughterhouse and within a batch at several sampling locations.

KEYWORDS:

Poultry; Quantification; Slaughterhouse; Variability

[Indexed for MEDLINE]

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