Comparison of the total bacterial count of the fresh and
dried fish samples showed that fresh O. niloticus had the highest colony count of 1.8 x 107 and dried C. gariepinus had the lowest total colony count of 2.0 x 104, which indicates that drying reduced the microbial load of the samples. The level of resistance and sensitivity of these bacteria to clinically relevant antibiotics differs; the isolates showed 58.3% resistance to clinically relevant antibiotics and 41.7% susceptibility. P. vulgaris was found to be resistant to all the commercially available antibiotic discs used while E. aerogenes, P. putida and P. fluorescens were resistant to six of the antibiotics used. Levy (1992) reported that antimicrobial resistance in bacterial pathogens is a major impediment to successful therapy, and in several instances, bacterial strains have arisen that are resistant to most available antimicrobial treatments. The public health consequences of antimicrobial resistance to many antibiotics have been debated. However until recently, clear evidence of health risk was not available. The multiple nature of drug resistance of these bacteria create an extremely serious public health problem and it has always been associated with the outbreak of major epidemic throughout the world (Prescott et al., 2002).
Comparison of the total bacterial count of the fresh anddried fish samples showed that fresh O. niloticus had the highest colony count of 1.8 x 107 and dried C. gariepinus had the lowest total colony count of 2.0 x 104, which indicates that drying reduced the microbial load of the samples. The level of resistance and sensitivity of these bacteria to clinically relevant antibiotics differs; the isolates showed 58.3% resistance to clinically relevant antibiotics and 41.7% susceptibility. P. vulgaris was found to be resistant to all the commercially available antibiotic discs used while E. aerogenes, P. putida and P. fluorescens were resistant to six of the antibiotics used. Levy (1992) reported that antimicrobial resistance in bacterial pathogens is a major impediment to successful therapy, and in several instances, bacterial strains have arisen that are resistant to most available antimicrobial treatments. The public health consequences of antimicrobial resistance to many antibiotics have been debated. However until recently, clear evidence of health risk was not available. The multiple nature of drug resistance of these bacteria create an extremely serious public health problem and it has always been associated with the outbreak of major epidemic throughout the world (Prescott et al., 2002).
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