Table 2.
Mean mortality rate of Heligmosomoides bakeri L1 and L2 larvae incubated in increasing concentrations (mg·mL−1) of aqueous and ethanolic extracts of Ageratum conyzoides compared to Mebendazole.
| Larval stages | Treatment | Negative controls | Tested concentrations (mg·mL−1) | ||||
|---|---|---|---|---|---|---|---|
| Distilled water | 5% tween | 0.625 | 1.25 | 2.5 | 3.75 | ||
| L1 larvae | Aqueous extract | 3.5 ± 5.0 | NA | 6.0 ± 5.1 | 8.1 ± 1.0 | 32.3 ± 12.4 | 55.0 ± 22.3 |
| Ethanolic extract | NA | 3.0 ± 4.8 | 6.7 ± 4.5 | 60.7 ± 6.8 | 96.3 ± 4.8 | 99.4 ± 1.2 | |
| Mebendazole | 3.5 ± 5.0 | NA | 33.8 ± 21.1 | 32.2 ± 12.4 | 89.4 ± 7.4 | 84.4 ± 3.8 | |
| L2 larvae | Aqueous extract | 3.5 ± 5.0 | NA | 32.6 ± 20.34 | 40.8 ± 15.0 | 50.1 ± 13.1 | 58.2 ± 20.0 |
| Ethanolic extract | NA | 3.0 ± 4.8 | 13.6 ± 7.0 | 32.5 ± 4.2 | 35.4 ± 29.0 | 95.5 ± 5.2 | |
| Mebendazole | 3.5 ± 5.0 | NA | 77.0 ± 3.5 | 86.7 ± 5.2 | 96.0 ± 0.8 | 100.0 ± 0.0 | |
NA: not applicable.