The Effect of Time of Artemia Administration on the Growth and Survival of Humpback Grouper Larvae (Cromileptes altivelis)
Abstract
The humpback grouper (Cromileptes altivelis) is an economically significant fish with high
demand. Efforts to breed humpback grouper have been successful, but there is a problem of
high larval mortality in mass-scale larval maintenance, especially at certain ages. The purpose
of this study was to investigate the impact of Artemia administration timing on growth and
survival in Artemia treatment on Days 15 (D15), 20 (D20), and 25 (D25). The study obtained
the highest survival rate of 10% with Artemia D25 administration treatment. The highest growth
of 3.08 ± 0.11 cm was achieved with Artemia D15 administration, but this was accompanied by
low survival (7.93%). The administration of Artemia D25 is the ideal Artemia administration
for survival, and it is used for the maintenance of larvae aged D25.
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