Table 2.
Ability of fish to recover at pesticide-free water for a period of 28 days (T2: 25% of LC50; T3: 50% of LC50).
| Parameter | Control | Treatments | After 28 days of exposure | Exposure time to pesticide-free water in days (recovery rates) | ||||
|---|---|---|---|---|---|---|---|---|
| 1 | 7 | 14 | 21 | 28 | ||||
| Hb (g/dL) | 12.93 ± 0.581a | T2 | 9.71 ± 0.602c | 9.86 ± 0.892a (1.54%) | 10.07 ± 0.182a (3.71%) | 10.55 ± 0.762a (8.65%) | 10.94 ± 0.992a (12.66%) | 11.36 ± 0.632a (16.99%) |
| T3 | 6.03 ± 0.493d | 6.09 ± 0.913a (0.99%) | 6.17 ± 0.983a (2.32%) | 6.42 ± 0.723a (6.47%) | 6.65 ± 0.493a (10.28%) | 6.85 ± 0.343a (13.59%) | ||
|
| ||||||||
| PCV (%) | 47.95 ± 0.491a | T2 | 31.08 ± 2.112c | 31.63 ± 1.132c (1.76%) | 32.58 ± 1.502bc (4.83%) | 33.60 ± 0.862abc (8.11%) | 34.71 ± 1.112ab (11.68%) | 35.95 ± 0.412a (15.67%) |
| T3 | 20.3 ± 1.653b | 20.53 ± 0.513b (1.13%) | 21.08 ± 0.953ab (3.84%) | 21.67 ± 0.653ab (6.75%) | 22.04 ± 1.123ab (8.57%) | 22.88 ± 0.513a (12.71%) | ||
|
| ||||||||
| RBCs (×106/mm3) | 5.76 ± 0.581a | T2 | 4.67 ± 0.392a | 4.72 ± 0.371a (1.07%) | 4.79 ± 0.331a (2.56%) | 4.87 ± 0.511a (4.28%) | 4.96 ± 0.351a (6.20%) | 5.07 ± 0.451a (8.56%) |
| T3 | 3.17 ± 0.253b | 3.20 ± 0.622a (0.95%) | 3.23 ± 0.392a (1.89%) | 3.26 ± 0.382a (2.83%) | 3.34 ± 0.712a (5.36%) | 3.39 ± 0.332a (6.94%) | ||
|
| ||||||||
| WBCs (×104/mm3) | 3.09 ± 0.432a | T2 | 4.37 ± 0.361a | 4.29 ± 0.5712a (−1.83%) | 4.18 ± 0.352a (−4.34%) | 4.06 ± 0.4512a (−7.09%) | 3.99 ± 0.142a (−8.69%) | 3.71 ± 0.432a (−15.10%) |
| T3 | 5.51 ± 0.301a | 5.46 ± 0.471a (−0.91%) | 5.39 ± 0.611a (−2.17%) | 5.21 ± 0.541a (−5.44%) | 5.14 ± 0.461a (−6.71%) | 5.05 ± 0.481a (−8.34%) | ||
|
| ||||||||
| MCV (μm3) | 82.67 ± 3.401a | T2 | 66.77 ± 5.062b | 67.27 ± 5.021a (0.75%) | 68.09 ± 2.832a (1.97%) | 69.56 ± 5.8712a (4.17%) | 70.34 ± 7.111a (5.34%) | 71.36 ± 6.1012a (6.87%) |
| T3 | 64.02 ± 0.683a | 66.76 ± 15.761a (4.27%) | 65.85 ± 7.082a (2.85%) | 67.15 ± 6.562a (4.88%) | 68.50 ± 15.011a (6.99%) | 67.98 ± 5.332a (6.18%) | ||
|
| ||||||||
| MCH (pg) | 24.63 ± 1.321a | T2 | 20.83 ± 0.691b | 21.10 ± 3.491a (1.29%) | 21.09 ± 1.5612a (1.24%) | 21.78 ± 1.6012a (4.56%) | 22.22 ± 3.371a (6.67%) | 22.48 ± 1.2812a (7.92%) |
| T3 | 19.10 ± 1.962a | 19.60 ± 4.411a (2.62%) | 19.18 ± 2.782a (0.41%) | 19.72 ± 0.592a (3.25%) | 20.64 ± 4.551a (8.06%) | 20.30 ± 1.222a (6.28%) | ||
|
| ||||||||
| MCHC (%) | 32.21 ± 0.271a | T2 | 31.29 ± 1.461a | 31.25 ± 3.611a (−0.13%) | 30.95 ± 1.291a (−1.08%) | 31.39 ± 2.031a (0.32%) | 31.48 ± 1.871a (0.61%) | 31.59 ± 1.801a (0.96%) |
| T3 | 29.86 ± 3.351a | 29.71 ± 4.701a (−0.50%) | 29.16 ± 3.351a (−2.34%) | 29.56 ± 2.481a (−1.00%) | 30.13 ± 0.731a (0.90%) | 29.91 ± 0.861a (0.17%) | ||
Values with different numeric superscripts differ significantly (p < 0.05) between concentrations within the duration. Values with different letter superscripts differ significantly (p < 0.05) between duration within the concentration. All values are expressed as mean ± SD. Values within parenthesis indicate recovery rates.