其他摘要：ABSTRACT The aim of this study was to determine the effective concentration of pandanus Pandanus amaryllifolius leaf extract for the treatment of sangkuriang catfish juvenile infected by A eromonas hydrophila . The method used in this study was an experimental method with completely randomized design consisted of five treatments and three replications. The treatments were A (control), B (400 mg/L), C (600 mg/L), D (800 mg/L), and E (1000 mg/L) trough immersion for 24 hours through immersion for 24 hours. The fish has infected with A. hydrophila bacteria as much as 20 mL of NaCl/L in 10 L of water medium with a density of 10 8 CFU/mL through immersion. The observed parameters were clinical symptoms, recovery process, survival rate, and water quality. The results showed that pandanus leaf extract at a concentration of 800 mg/L for 24 hours was effective for treating sangkuriang catfish juvenile that infected by A. hydrophila with a survival rate of 86.67%. Based on the regression analysis, it discovered that the optimum concentration of pandanus leaf extract through immersion for 24 hours was 774.39 mg/L and the predicted survival was 92.16%.
