ABSTRACT Curcumin is one of the natural ingredients that has the potential as an antibacterial, because many contain essential oil compounds. This study aims to obtain the best dose of the addition of curcumin mater ial C. domestika Vol into the feed to treat P. hypopthalmus jambal siam fish infected with A. hydrophila P1, P2, dan P3 fish infected with with MAS disease with A. hydrophila s…