A Comparative Microbiological Assessment of Five Types of Selected Fishes Collected from Two Different Market

Abstract

The present study was conducted for microbiological assessment of five selected fishes in two different market conditions. For this, Total Viable Bacterial Counts (TVBC), Total Pseudomonas Counts (TPC), Total Coliform Counts (TCC), Total Fecal Coliform Counts (TFCC), Total Yeast Counts (TYC), Total Mold Counts and occurrence of Salmonella and Vibrio spp. were determined in Sarpunti (Barbodes sarana), Rui (Labeo rohita), Tilapia (Oreocromis niloticus), Ayr (Sperata seenghala) and Kachki (Corica soborna) fish. In such investigation, highest TVBC (1.9 x10 cfu/g) was observed in Sarpunti collected from local market 8 fish of supershop (SS-4 and SS-1 respectively). Highest total coliform (>240MPN/g) was found in a number of samples of local markets whereas lowest count (0.9 MPN/g) in Rui fish of supershop (SS-3). Similarly, highest count (110 MPN/g) of fecal coliform was found in many samples of local markets including Rui of SS-1 whereas absent in Kachki fish of SS-3. Pathogenic bacteria, Salmonella was mostly present in samples of local markets but usually absent in samples of super shop with a few exceptions. Vibrio spp. also showed similar type of results. Besides, highest yeast count (2.83 x 10 cfu/g) was found in Kachki of local markets (LM-3) but 3 absent in Ayr and Kachki fish of Supershop (SS-3 and SS-4, respectively). Similarly, highest count of molds (8.0×10 cfu/g) was found in local markets whereas absent in two super shop samples. In conclusion, five 2 species of fish under study were more or less contaminated but comparatively highest load in local market samples indicated that the hygienic condition of these markets were very low.