Antibiotic Resistance Patterns of Escherichia coli and Salmonella from Environmental Samples of Thoothukudi Coast
Antibiotic Resistance Patterns of Escherichia coli and Salmonella from Environmental Samples of Thoothukudi Coast
Date
2006
Authors
Chrisolite, B
Sugumar, G
Journal Title
Journal ISSN
Volume Title
Publisher
Society of Fisheries Technologists (India)Cochin
Abstract
The incidence and antibiotic resistance pattern of E. coli and Salmonella from water,
beach sand and fish collected from four fish landing centres of Thoothukudi were studied.
Presence of £. coli was confirmed in 90%, 92% and 79% of water, beach sand and fish samples
respectively, while Salmonella was detected in 25% of water and sand samples and 17% of
fish samples. The isolates were tested against fifteen antibiotics by disc diffusion method.
While all the E. coh' isolates were resistant to bacitracin, erythromycin and rifampicin, none
of the isolates was resistant to ampicillin, chloramphenicol and sulphafurazole. Among
Salmonella isolates, all were resistant to bacitracin and most were resistant to ampicillin,
colistin, erythromycin and rifampicin. None of the Salmonella isolates was resistant to
chloramphenicol, ciprofloxacin and norfloxacin. Multiple antibiotic resistance (MAR) index
was higher than 0.2 in all strains of E. coli and Salmonella revealing that they might have
originated from high-risk sources of contamination such as humans.
Description
Keywords
Antibiotic resistance, E. coli. Salmonella, fish landing centre, Thoothukudi
Citation
Fishery Technology 43(1):93-98