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This study aimed to evaluate the effectiveness of giving Daphnia sp. as a natural feed enriched with the doses of glutamine to increase growth performance and survival rate of larvae. This study used a completed randomized design which consisted of four treatments, namely 0, 25, 50, dan 75 mgL-1 and three replications. The test feed was given to larvae stocked with 60 fish/aquarium (40 cm x 30 cm x 30 cm) for 21 days. The results showed that significant on growth performance and survival rate were revealed on larvae fed with Daphnia sp. which enriched by glutamine dose of 25-75 mgL-1.The physiological response of protease enzyme and antioxidant activity showed that better performance was found in the treatment with addition of glutamine rather than control. In short, enrichment of Daphnia sp. using glutamine can improve the growth performance and survival rate of goramy larvae. The optimal dose of glutamine for improving the survival of gorami larvae is 25 mg L-1.

Enrichment Daphnia sp. with glutamin to improve the performance of the growth and survival rate of gurami Osphronemus goramy Lacepede, 1801 larvae