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  • Title: [Study on simultaneous contamination of Salmonella and Campylobacter in retail chicken carcasses in Beijing].
    Author: Hu Y, Wang Y, Li F.
    Journal: Wei Sheng Yan Jiu; 2015 Jan; 44(1):68-72, 76. PubMed ID: 25958640.
    Abstract:
    OBJECTIVE: To elucidate the simultaneous contamination of Salmonella and Campylobacter in retail chicken carcasses in Beijing and to carry out the serological typing of all Salmonella isolates as well as the identification of Campylobacter at the species level. METHODS: A total of 33 chicken carcasses were collected from Beijing supermarkets and farm's trade markets from May to July. All samples were enumerated for Salmonella and Campylobacter. All Salmonella isolates obtained were further serotyped and Campylobacter were identified at the species level. RESULTS: Totally, 19 samples (19/33, 57.6%) and 5 samples (5/33, 15.2%) were positive for Salmonella with the mean level of 119.4 MPN/100g and Campylobacter with the mean level of 58.6 CFU/g, respectively. In terms of Salmonella, 166 isolates with 14 serotypes were obtained. Salmonella Enteritidis was the most common serovar detected followed by S. Indiana. Serovar diversity was very high in all Salmonella isolates and various Salmonella serovars were detected in the same chicken carcass. A total of 11 serovar distribution spectrums were found and S. Enteritidis in combination with S. Indiana was the predominant. CONCLUSION: The retail chicken carcasses in Beijing collected from May to July were heavily contaminated by Salmonella with high serovar diversity.
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