Figure 1: Total ammonia nitrogen TAN (A), Nitrite (B), Nitrate (C) in the water column for shrimp larvae (PL2 to PL12) co-cultured with (●) and without (○) Spirulina mats over a ten-day period. Black and white arrows indicate a 50% water exchange rate in cultures with and without Spirulina mats, respectively. The experiment was done in ten sets/replicates. The analysis of each set was in triplicates. The values shown are the means of ten replicates ± standard deviation.
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