Experiments determine the pathogenic and pathogenic ability of the 4 strains of e. ictaluri and 4 a. hydrophila strains of bacteria on fish inspection by method of injection in the suite of bacteria from 102 to 106 CFU/mL is made in the thesis. Laboratory results showed sluggish Pangasius (moribund) or recently died after showing signs of infection, colds disease expression characteristic of the 2 species of bacteria. The tiny white spots that appear on the body such as the liver, kidneys and the Bhikkhu's liver kidney infection Pangasius bacterial pus e. ictaluri; Meanwhile the eyes bulge, hemorrhagic spots appear around the fins, mouth, anus and pink in the abdominal sinus is the characteristic signs of hemorrhagic disease caused by the bacteria a. hydrophila on fish.
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