treatment A (0% without earthworm silage), B (25% earthworm silage), C (50% earthworm silage), D (75% earthworm silage), and E (100% earthworm silage). This experiment used a completely randomized design (CRD) with 5 treatments and 3 replicates i.e. This research aimed to determine the effects of substitution of fish meal with earthworm silage in the artificial food on the growth and survival rate of tiger grouper (Epinephelus fuscogutattus). One of the alternative was using earthworms (Lumbricus rubellus). Therefore, it was needed to find alternative ingredients as a substitution for the fish meal. One of the problems faced by the farmers was the high price of fish meal. Tiger grouper is one of the important fishery commodities due to the market and highly economical value.
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