This study aims to determine the growth rate of Salin tilapia (Oreochromis sp.) which is cultivated in a biofloc system using fermented vegetable waste feed. The experimental design used was completely randomized (CRD) with 4 treatments and 3 replications feed different doses prebiotics, treatment A Control, B 30 ml/kg, C 40 D 50 ml /kg. results showed that feeding had significantly effect (P&l...