This study was conducted to determine the effect of different salinities on striped catfish (Pangasianodon hypophthalmus) susceptibility hemorrhagic disease causing by Aeromonas hydrophila bacteria. The experiment set up in plastic tanks at various (0, 3, 5, 8, 11 and 14‰). Experimental fish (about 25 ± 0.8g/fish) were challenged with A. bacteria intramuscular injection. After infection, mortal...