Comparison of sample types and analytical methods for the detection of highly campylobacter-colonized broiler flocks at different stages in the poultry meat production chain

Foodborne Pathogens and Disease
Tomasz SeliwiorstowLieven de Zutter

Abstract

Exclusion of broiler batches, highly colonized with Campylobacter (>7.5 log10 colony-forming units/g), from the fresh poultry meat market might decrease the risk of human campylobacteriosis. The objective of this study was to compare different sample types (both at the farm and the slaughterhouse) and methods (direct culture, quantitative real-time polymerase chain reaction [qPCR], propidium monoazide [PMA]-qPCR) applied for the quantification of the Campylobacter colonization level. In addition, the applicability of the lateral flow-based immunoassay, Singlepath(®) Direct Campy Poultry test (Singlepath(®) test), was evaluated as a rapid method for the qualitative detection of Campylobacter in highly colonized broiler batches. Campylobacter counts differed significantly between sample types collected at farm level (cecal droppings, feces, boot swabs) and at slaughterhouse level (cecal content, fecal material from crates). Furthermore, comparison of Campylobacter counts obtained by different methods (direct culture, qPCR, PMA-qPCR) in cecal droppings revealed significant differences, although this was not observed for cecal-content samples. Evaluation of the Singlepath(®) test on cecal droppings and cecal-content samples reveale...Continue Reading

References

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Dec 3, 2014·International Journal of Food Microbiology·Tomasz SeliwiorstowLieven De Zutter

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Methods Mentioned

BETA
PCR
PMA
immunosorbent assay

Software Mentioned

SPSS

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