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Onset and speed of efficacy of imidacloprid 10%/flumethrin 4.5% collars against Rhipicephalus sanguineus and Ixodes ricinus on dogs
| Study Day | Activity and efficacy (%) | |
|---|---|---|
|
Tick species |
R. sanguineus |
I. ricinus |
|
Day 0 |
Collars + 50 ticks (25♂ 25♀) |
Collars + 35 ticks (15♂ 20♀) |
|
Day 2 (onset of efficacy) |
96.8 |
96.2 |
|
Day 2 |
Collars + 50 ticks (25♂ 25♀) |
Collars + 35 ticks (15♂ 20♀) |
| Day 2 (6 h after infestation) | 99.2 | 100 |
