Three groups of larvae were prepared: two experimental groups
were reared in a heterotrophic system without water exchange and
a control group was reared in a conventional autotrophic system
with daily water exchange and the addition of microalgae. The
organic source was added to the culture water of the two
experimental groups. Anhydrous dextrose (C 6 H 12 O 6 , sigma–Aldrich ® )was added to the culture water of one group and sugar
cane molasses (55% carbohydrate, 3% crude protein) was added
to the culture water of the second group.