A review article effect of immersion Curcuma xanthorriza Roxb. extract for the survival of goldfish seed (Cyprinus carpio L.) after being infected with Aeromonas hydrophila

Long-term and inappropriate use of antibiotics can negatively impact goldfish seeds ( Cyprinus carpio L.), which are affected by Motile Aeromonas Septicemia . One of the prevention efforts is the utilization of immunostimulants from natural ingredients such as Curcuma xanthorrhiza Roxb. Curcuma xanthorrhiza contains active substances in the form of curcuminoids, terpenoids, and essential oils that provide antibacterial activity with varying strength depending on the levels of components in the rhizome. This review article aims to provide scientific information regarding the effect of immersion time and the best concentration for the viability of goldfish seeds after being infected with Aeromonas hydrophila . The research method was experimental, using a factorial, Completely Randomized Design with several replications. Based on the results of the literature study that Curcuma xanthorriza Roxb. extract was known to utilization with a concentration of 0.6 g/l by injection of Aeromonas hydrophila 10 8 cfu/mL gave the best effect on viability, which 100% absolute weight growth of 12.48 g/head and daily growth rate of 2.39%. The conclusion is a concentration of 0.6 g/l of Curcuma xanthorriza Roxb. extract had the best effect on viability so that it has the potential as an alternative natural antimicrobial.