Fig. 6. Cumulative mortality of Penaues monodon, postlarva 15 stage, challenged with
Vibrio harveyi after being fed on Artemia salina, instar II larvae, that were enriched with
ethanol extract of the red seaweed Gracilaria fisheri for 14 days.*P < 0.05, compared to
the value of the positive and vehicle controls; #P < 0.05, compared to the value of the
0.5 EtOH shrimp at the corresponding time-points.