No direct relationship was found between the bacterial load of the environment and bacterial infection in fish.Micrococcus,Corynebacterium, Bacillus, Pseudomonas, Vibrio, Aeromonas andFlavobacterium-Cytophaga were encountered in both environmental samples and skin and gill of healthy fishes.Vibrio constituted the highest percentage in the skin and gill samples of diseased fishes, whilePseudomonas, Aeromonas andBacillus were observed only in smaller percentages.Vibrio alone was seen in the internal organs and blood of diseased fishes.
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