Table 4 Onset of efficacy and speed of kill of imidacloprid 10%/flumethrin 4.5% collars against Ctenocephalides felis felis on cats
From: Efficacy of an imidacloprid/flumethrin collar against fleas and ticks on cats
Study day | Infestation | Efficacy (%) |
|---|---|---|
Day 0 | Collars then 100 fleas | |
Day 1 | 99.8* | |
Day 6 | 100 | |
Day 7 (12 h later) | 100** | |
Day 7 | 100 | |
Day 7 (6 h later) | 100** | |
Day 7 | 100 | |
Day 7 (2 h later) | 100** |