Day | Mean numbers of ticks (6 h after re-infestation) | |||
---|---|---|---|---|
Untreated controls (Group 1) | Imidacloprid/ flumethrin (Group 2) | (S)-methoprene/ amitraz/fipronil (Group 3) re-treatment: Day 35 | (S)-methoprene/ amitraz/fipronil (Group 4) | |
7 | 27.8 | 4.0 | 2.1 | - |
14 | 32.9 | 2.3 | 5.8 | - |
21 | 32.4 | 1.8 | 7.4 | - |
28 | 34.1 | 1.4 | 10.0 | - |
35 | 36.9 | 1.1 | 4.0* | - |
42 | 30.4 | 0.9 | 0.8 | 1.5 |
49 | 34.6 | 1.9 | 4.4 | 9.3 |
56 | 35.3 | 3.5 | 8.1 | 14.8 |
63 | 36.9 | 2.5 | 10.4 | 12.8 |
70 | 35.3 | 1.4 | 12.3 | 17.0 |