Effect of addition of rubber seeds flour (Hevea brasiliensis) in fish feed on growth and feeding efficiency of Gourami (Osphronemus goramy)

Abstract

Abstract Gourami fish, Osphronemus goramy is an omnivorous organism that inhabits calm water sich as swamps, lakes. This study aims to determine the effect of using fermented rubber seeds to feed on the growth and survival of Gourami by feeding a mixture of fermented rubber seeds. The research was conducted at the Bungus Fish Seed Center, Padang City in January-February 2022 using the completely randomized design method with 4 treatments and 4 replications. The results showed that the best treatment was in treatment B with the addition of rubber seed flour that had been fermented as much as 30% so that the absolute weight gain value was (3.55 g), Specific Growth Rate (3.10%/day), Feed Conversion Ratio (0.19) and feed efficiency (51.03%). The lowest treatment was in treatment D where the addition of rubber seed flour fermentation was as much as 50% so that it had a bad effect on the growth rate of Gourami seed.