Evaluation of different selective media and culturing techniques for the quantification of Campylobacter ssp. from broiler litter

Poultry Science
A S KiessC D McDaniel

Abstract

Poultry is a major reservoir for Campylobacter, the leading cause of foodborne illness in the United States, but how broilers become initially colonized is still under debate. Broiler litter is a potential source, but the best technique for quantifying Campylobacter from litter is still unknown. Therefore, our objectives were to determine if certain media are more selective for quantifying Campylobacter and if enrichment allows for the detection of stressed or viable but nonculturable cells from broiler litter samples. In this trial, 5 media and 2 culturing techniques were used to enumerate Campylobacter from broiler litter. The media used were campy-Line agar (CLA), campy-cefex agar (CCA), modified CCA, Campylobacter agar plates (CAP), and modified charcoal cefoperazone deoxycholate agar. Litter samples were obtained from a commercial broiler house. Each sample was equally divided and diluted 10-fold into peptone, for direct plating, or 4-fold into Campylobacter enrichment broth. Samples diluted in peptone were direct-plated onto each media and incubated under microaerophilic conditions for 48 h at 42 degrees C. Samples diluted in enrichment broth were incubated under the same conditions for 24 h, then further diluted to 10-fo...Continue Reading

Citations

Apr 3, 2014·Veterinary Medicine International·Diana M StoneRavindra Sharma
May 31, 2016·Brazilian Journal of Microbiology : [publication of the Brazilian Society for Microbiology]·Camila Cristina GonsalvesVladimir Pinheiro do Nascimento

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