Table 2. Effect of Bacillus strains mixture probiotic on water quality in L. vannamei.
| Parameters | Groups | ||||
|---|---|---|---|---|---|
| G1 | G2 | G3 | Control (G0) | SEM | |
| DO (mg/l) | 6.421 | 6.450 | 6.459 | 6.371 | 0.2333 |
| Temperature (°C) | 27.59 | 27.82 | 27.75 | 27.65 | 0.08819 |
| pH | 8.362 | 8.382 | 8.362 | 8.376 | 0.01453 |
| Salinity (ppt) | 30.51 | 30.67 | 30.54 | 30.74 | 1.155 |
| Ammonia (mg/l) | 0.2181b | 0.1168c | 0.1098c | 0.2254a | 0.07504 |
| Nitrite (mg/l) | 0.1392b | 0.07441c | 0.05333d | 0.1516a | 0.04011 |
| Total alkalinity (mg/l) | 145.4 | 145.4 | 145.1 | 144.4 | 3.333 |
G0, G1, G2, and G3, groups in which L. vannamei was fed Bacillus mixture at diet doses of 0, 1, 2, and 3 g/kg, respectively. Results are shown as means ± standard error, with distinct superscript letters denoting means that are substantially different at (p < 0.05) within the same row.