Table 8 Efficacy of imidacloprid 10%/flumethrin 4.5% collars against Ixodes ricinus and Ixodes scapularis on dogs 48 h after each infestation
From: Efficacy of an imidacloprid/flumethrin collar against fleas, ticks, mites and lice on dogs
Study Day or Week | Activity and efficacy (%) | ||
|---|---|---|---|
Tick species | Ixodes ricinus | Ixodes scapularis | |
Day −2 | 40 ticks (20♂ 20♀) | 40 ticks (20♂ 20♀) | – |
Day −1 | – | – | 50 ticks (both sexes) |
Day 2 (therapeutic efficacy) | 76.7 | 89.9 | 96.4 |
Day 7 | 100 | 100 | 100 |
Week 4 | 100 | 100 | 100 |
Week 8 | 100 | 100 | 100 |
Week 12 | 100 | 100 | 100 |
Week 16 | 100 | 100 | 100 |
Week 20 | 100 | 100 | 100 |
Week 24 | 100 | 100 | 100 |
Week 28 | 100 | 100 | 100 |
Week 32 | 100 | 100 | 100 |
Week 34 | 100 | 100 | 100 |