Isolation, identification, and antibiogram studies of Salmonella species and Escherichia coli from boiler meat in some selected areas of Bangladesh
Keywords:Broiler meat, Salmonella spp., Escherichia coli, Antibiogram
Background: The present study was carried out for the isolation, identification of Salmonella and Escherichia coli from broiler meat samples (leg muscle, breast muscle and drumstick) which were collected from different upazilla markets of Mymensingh, Gazipur, and Sherpur districts during the period of January 2015 to May 2015.
Methods: A total of 60 samples were subjected to bacterial isolation and identification by using cultural, biochemical, and polymerase chain reaction assays.
Results: Using standard bacteriological techniques E. coli was isolated from 50 (83.33%) samples and Salmonella spp. from 18 (31.66%) samples. Furthermore, the isolates were subjected to antibiogram studies by disk diffusion method using eight commonly used antibiotics. Antibiogram studies revealed that gentamicin, ciprofloxacin, and norfloxacin were highly sensitive against all the isolated bacteria, whereas most of the isolates were resistant to amoxicillin, erythromycin, and tetracycline. Out of all the isolates, 5 isolates of E. coli and 3 isolates of Salmonella were found multidrug resistant.
Conclusions: The study revealed the presence of multidrug resistant Salmonella and E. coli in broiler meat sold in live bird market of different upazilla.
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