Microbiological Assessment of Rui (Labeo rohita), Catla (Catla catla), Tilapia (Oreochromis mossambicus) of Cultured Ponds and Different Markets of Bangladesh

The microbiological quality of Rui (Labeo rohita), Catla (Catla catla), Tilapia (Oreochromis mossambicus) of cultured ponds and different markets of Dhaka city were analyzed. The microbial quality parameters varied with different markets and sources and the quality was found poor in Local Retail Market fish samples. In total 27 samples were considered for microbiological quality analysis. Total Viable Bacterial Counts ranging from 2.75x105to 6.29x106 cfu/g. Total Coliform count was always greater than240 MPN/g. Furthermore Total Pseudomonas and Staphylococcus spp. ranging from 1.20x103 to 3.68x105 and 1.63x102 to 5.20X103 respectively. Salmonella spp. were absent in pond fish samples and were present in all wholesale and local retail market samples. The finding proved that fish under this study were more or less contaminated and comparatively local retail market samples were poor in quality.