NYAYU CITRA Effect of Bacterial Probiotic Candidates From Swamp to Prevent Infection of Aeromonas hydrophila on Striped Snakehead (Channa striata) (Supervised by ADE DWI SASANTI and MARINI WIJAYANTI). Probiotics are microorganisms that have the ability to modify the composition of bacteria in the digestive tract of aquatic animals. Probiotics are used as feed supplements, one of which can impro…