Table 1.
Knockdown and mortality in Anopheles mosquitoes by PBO and conventional nets
| Net Type | Nets (n) | Mosquitos (N) | Susceptible | Wild | ||||
|---|---|---|---|---|---|---|---|---|
| Exposed, n (%) | Knocked Down, n (% ± SE) | Killed, n (% ± SE) | Exposed, n (%) | Knocked Down, n (% ± SE) | Killed, n (% ± SE) | |||
| Untreated | 1 | 380 | 180 (47) | 0 (0 ± 0) | 0 (0 ± 0) | 200 (53) | 0 (0 ± 0) | 0 (0 ± 0) |
| Pyrethroid only | ||||||||
| New | 1 | 40 | 20 (50) | 20 (100 ± 0) | 20 (100 ± 0) | 20 (50) | 9 (45 ± 10) | 5 (25 ± 10) |
| Used | 1 | 40 | 20 (50) | 18 (90 ± 6) | 14 (70 ± 13) | 20 (50) | 6 (30 ± 13) | 4 (20 ± 14) |
| Pyrethroid plus PBO† | ||||||||
| New | 1 | 60 | 20 (33) | 20 (100 ± 0) | 20 (100 ± 0) | 40 (66) | 38 (95 ± 6) | 27 (68 ± 3) |
| Used | 11 | 660 | 300 (45) | 259 (86 ± 2) | 287 (96 ± 1) | 360 (55) | 168 (47 ± 3) | 124 (34 ± 3) |
PBO = piperonyl butoxide; SE = standard error.
†
Olyset plus–permethrin (20 g/kg) and PBO (10 g/kg).