Table 8.
Study 2: Mean numbers of fleas on treated dogs 48 h after treatment and 24 h after each re-infestation with Ctenocephalides felis felis
| Day |
Mean numbers of fleas (24 h after re-infestation) |
|||
|---|---|---|---|---|
| Untreated controls (Group 1) |
Imidacloprid/ flumethrin (Group 2) |
(S)-methoprene/ amitraz/fipronil (Group 3) retreatment: Day 35 |
(S)-methoprene/ amitraz/fipronil (Group 4) |
|
|
2* |
75.3 |
0.3 |
0.5 |
- |
|
8 |
69.3 |
0.0 |
0.0 |
- |
|
15 |
83.4 |
0.0 |
0.1 |
- |
|
22 |
80.9 |
0.0 |
0.5 |
- |
|
29 |
85.4 |
0.0 |
1.1 |
- |
|
36 |
73.9 |
0.4 |
0.0** |
- |
|
43 |
75.0 |
0.0 |
0.0 |
0.0 |
|
50 |
74.1 |
0.0 |
0.1 |
0.0 |
|
57 |
75.8 |
0.1 |
0.8 |
0.0 |
|
64 |
72.5 |
0.0 |
1.0 |
5.9 |
| 71 | 85.3 | 0.4 | 10.6 | 17.5 |
* flea counts 48 h after treatment.
** flea counts 24 h after re-treatment.