Table 6.
Total bacterial and Aeromonas counts in fish farming water during the 10-weeks experimental period.
| Groups | Subgroups | Cd + Hg | BioSeNPs | Total bacterial count | Total Aeromonas count | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Log CFU ml−1 | |||||||||||
| (μg ml−1) | (μg ml−1) | Experimental period (weeks) | |||||||||
| 1 | 4 | 8 | 10 | 1 | 4 | 8 | 10 | ||||
| 1 | 1Z | – | – | 5.4a | 5.7a | 5.9a | 6.0a | 2.9a | 3.3a | 3.7a | 3.9a |
| 1A | – | 3 | 4.1bc | 4.3c | 4.6d | 4.9c | 2.2c | 2.4c | 2.8c | 3.0c | |
| 1B | – | 4 | 3.7 cd | 4.0c | 4.3d | 4.6d | 2.0d | 2.1d | 2.4d | 2.8d | |
| 1C | – | 5 | 3.5d | 3.7d | 4.1d | 4.4d | 1.7d | 1.9d | 2.2d | 2.5d | |
| 2 | 2Z | 0.5 + 0.5 | – | 5.2a | 5.3a | 5.5ab | 5.7ab | 2.7ab | 2.9ab | 3.4ab | 3.7ab |
| 2A | 0.5 + 0.5 | 3 | 4.3b | 4.5b | 4.9c | 5.0b | 2.3c | 2.5c | 2.7c | 3.0c | |
| 2B | 0.5 + 0.5 | 4 | 3.9c | 4.1c | 4.5d | 4.8c | 2.1c | 2.3c | 2.6c | 2.8d | |
| 2C | 0.5 + 0.5 | 5 | 3.7 cd | 3.9d | 4.2d | 4.4d | 1.9d | 2.1d | 2.4d | 2.6d | |
| 3 | 3Z | 1.0 + 1.0 | – | 4.8b | 5.0ab | 5.2b | 5.5b | 2.4b | 2.6b | 3.1b | 3.4b |
| 3A | 1.0 + 1.0 | 3 | 4.5b | 4.8b | 5.0b | 5.3b | 2.5b | 2.7b | 3.0b | 3.2b | |
| 3B | 1.0 + 1.0 | 4 | 4.0c | 4.3c | 4.8c | 5.0b | 2.3c | 2.5c | 2.8c | 3.0c | |
| 3C | 1.0 + 1.0 | 5 | 3.8c | 4.0c | 4.6d | 4.8c | 2.1c | 2.3c | 2.6c | 2.8d | |
Means in the same column with lowercase different letters are significantly different at p ≤ 0.05.