Table 3. Cumulative survival through the larval stages of P. granulosa reared in mass cultures under different conditions of food and air supply. Statistical comparisons (ANOVA) showed no significant influence of treatments (P>0.05; n=25 at start)
Without Artemia | With Artemia | |||||||
|---|---|---|---|---|---|---|---|---|
Without air supply | With air supply | Without air supply | With air supply | |||||
Survival (%) | n at the end of the stage | Survival (%) | n at the end of the stage | Survival (%) | n at the end of the stage | Survival (%) | n at the end of the stage | |
Zoea I | 64 | 16 | 64 | 16 | 48 | 12 | 68 | 17 |
Zoea II | 44 | 11 | 52 | 13 | 20 | 5 | 32 | 8 |
Megalopa | 20 | 5 | 32 | 8 | 4 | 1 | 8 | 2 |