Effects of Winged Bean Seed Meal in Tilapia (Oreochromis niloticus) Diet

Abstract

The purpose of this research is to investigate effects that winged bean seed meals in diet have on production of tilapia (Oreochromis niloticus). The experiment design was conducted in Completely Randomized Design (CRD) with 4 treatments and 3 replications. Tilapia fry at initial weight of 2.74±0.54 - 3.18±0.31 g/fish were reared in a 46x137x53 cm aquariums at stocking density of 20 fish per aquarium. They were fed winged bean seed meals at 0, 10, 20 and 30 percent in diet for 60 days. All diets contained 26 percent crude protein and isocaloric diets of 275 kcal/100 g. The result showed that survival of tilapia was not significant difference (p> 0.05) in all treatments (84.10, 75.40, 86.96 and 81.16 percent, respectively). The tilapia fed diet containing all levels of winged bean seed meals had lower FCR, compared to the control (p< 0.05). The tilapia fed diet containing 20 to 30 percent winged bean seed meals showed highest final body. However, specific growth rate was not significantly different in all treatments (p> 0.05). Therefore, this study concluded that the tilapia fed diet containing winged bean seed meals at 30 percent was the most appropriate as it caused the feed cost to decrease 38.55 percent from the control.