Table 13.
Frequencies of nuclear abnormalities in Clarias gariepinus Juveniles exposed to sub-lethal concentrations of the ten selected pesticides (n = 1000 erythrocytes per pesticide).
| Pesticide | MN (%) | BN (%) | BUD (%) | NOTCH (%) | 8-SHAPED (%) | BLEBBED (%) | LOBED (%) |
|---|---|---|---|---|---|---|---|
| Control | 1 (0.1) | 2 (0.2) | |||||
| Abamectin | 7 (0.7) | 3 (0.3) | 41 (4.1) | 7 (0.7) | 18 (1.8) | ||
| Carbofuran | 2 (0.2) | 15 (1.5) | 3 (0.3) | 1 (0.1) | |||
| Chlorpyrifos | 4 (0.4) | 37 (3.7) | 13 (1.3) | ||||
| Cypermethrin | 1 (0.1) | 18 (1.8) | 2 (0.2) | 3 (0.3) | |||
| Deltamethrin | 22 (2.2) | 2 (0.2) | |||||
| Dichlorvos | 9 (0.9) | 32 (3.2) | 8 (0.8) | ||||
| Dimethoate | 42 (4.2) | 8 (0.8) | |||||
| Fipronil | 30 (3.0) | 1 (0.1) | 1 (0.1) | 4 (0.4) | |||
| Lambda-cyhalothrin | 3 (0.3) | 35 (3.5) | 7 (0.7) | ||||
| Paraquat | 25 (2.5) | 1 (0.1) | 1 (0.1) |
MN: Micronucleus, BN: Binucleated.