Table 11.
Relative 96 h acute toxicity of the Pesticides on fry of the African Catfish, Clarias gariepinus.
| Pesticides | LC5 (μgL−1) | LC50 (μgL−1) | LC95 (μgL−1) | DF | S.E | Probit equation | TF | Relative toxicity ranking | Sub-lethal Conc (1/100th LC50) (μgL−1) |
|---|---|---|---|---|---|---|---|---|---|
| Abamectin | 4.623 (2.570–6.020) | 8.939 (7.303–10.303) | 17.286 (14.269–25.641) | 3 | 1.194 | -5.8 + 6x | 4.375 | 3 | 0.089 |
| Carbofuran | 4.876 (0.044–12.94) | 37.675 (16.218–58.155) | 291.123 (132.167–11692.4) | 2 | 0.632 | -3.2856 + 2.14x | 18.44 | 7 | 0.377 |
| Chlorpyriphos | 14.438 (0.013–24.13) | 34.554 (8.693–41.316) | 82.697 (58.797–7267.14) | 2 | 1.922 | -8.6 + 5.6x | 16.91 | 6 | 0.346 |
| Cypermethrin | 5.225 (2.384–6.823) | 9.461 (7.602–10.637) | 17.133 (14.315–28.082) | 3 | 1.637 | - 5.7 + 6x | 4.60 | 4 | 0.095 |
| Deltamethrin | 16.492 (13.64–18.02) | 21.244 (19.971–22.492) | 27.366 (25.185–32.573) | 3 | 3.044 | -16.5 + 12.5x | 10.4 | 5 | 0.212 |
| Dimethoate | 1122.415 (557.8–1423) | 2112.339 (1696.712–2444.) | 3975.337 (3247.0–6477.6) | 2 | 1.429 | -17 + 5x | 1033.9 | 9 | 21.123 |
| Dichlorfos | 338.603 (0–735.188) | 884.330 (0–1235.81) | 2309.601 (1774.2–199642300.) | 2 | 1.947 | -7.733 + 2.67x | 432.9 | 8 | 8.843 |
| Fipronil | 3.977 (1.119–5.262) | 6.148 (3.802–7.026) | 9.503 (8.384–14.448) | 2 | 2.888 | -5.2 + 7x | 3.00 | 2 | 0.061 |
| Lambda-cyalothrin | 1.207 (0.772–1.476) | 2.043 (1.768–2.278) | 3.460 (2.957–4.816) | 3 | 1.495 | -1.6 + 6.25x | 1.00 | 1 | 0.020 |
| Paraquat | 2382.084 (513–4314.2) | 10284.288 (42.719–14262.4) | 44400.865 (27254–148764.54) | 2 | 0.621 | -7.75 + 1.875x | 5033.9 | 10 | 102.843 |