Abstract
Background: Campylobacter species are a leading cause of most important food-borne diarrhoeal illness worldwide while, poultry has been identified as a significant cause of Campylobacter infection in humans. C. jejuni is highly effective in colonizing chicken intestinal mucosa without causing any clinical manifestations and the consumption of poultry meat is the major source of transmission of bacteria to humans. Methods: The total of 19 chicken meat samples collected from retail markets in Chennai were screened by cultural examination, further subjected to phenotypic characterization using biochemical test and genotypic characterization using polymerase chain reaction assay targeting hip O and map A genes. Result: All the isolates showed growth on modified blood free charcoal cefoperazone deoxycholate agar media (mCCDA) and 18 (94.73%) samples showed typical morphological characteristics. The 12 (63.15%) isolates showed biochemical reactions positive. The results from polymerase chain reaction showed that 10 (83.33%) isolates were positive for C. jejuni. This study suggested that, it is essential to investigate the incidence of Campylobacter jejuni infection in poultry and the risk factors at all production stages of meat production to help reducing the disease in humans in terms of food safety.
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