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Title: Prevalence and antibiotic resistance of pathogenic Vibrios in shellfishes from Cochin market
Authors: Sudha, S
Mridula, C
Silvester, Reshma
Hatha, A A M
Keywords: Shellfishes;Retail Markets;Pathogenic Vibrios;Antibiotic resistance
Issue Date: May-2014
Publisher: NISCAIR-CSIR, India
Abstract: Shellfish samples obtained from four retail markets in Cochin were examined for the presence of pathogenic Vibrios. A total of 110 samples collected during the period between September 2010 and March 2011 included shrimp, crab and clams. Vibrio species was detected in 65.5% of the samples. Six potentially pathogenic Vibrio species such as V. parahaemolyticus (68.1%), V. alginolyticus (18.1%), V. vulnificus (2%), V. cholerae (1%), V. harveyi (1%) and V. mimicus (1%) were detected. Overall percentage of incidence was highest in clams (84.2%) followed by shrimps (63.8%) and crabs (37.5%). When isolates were tested for their susceptibility to various antibiotics, highest incidence of antibiotic resistance was evident against ampicillin and colistin followed by amoxycillin, carbenicillin, ceftazidime and cephalothin and lowest against chloramphenicol, tetracycline and nalidixic acid. Multiple drug resistance was prevalent among the isolates. Results indicate that the various seafood markets at the retail level in Cochin are contaminated with potentially pathogenic Vibrio species. If they survive insufficient processing/cooking conditions they would have an impact on safety of processed/cooked ready-to-eat food.
Page(s): 815-824
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.43(05) [May 2014]

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