Table 7.
Study 2: Mean numbers of ticks on treated dogs 6 h after each infestation with Rhipicephalus sanguineus
| 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 |
* Tick count 6 h after re-treatment.