Table 2.
Efficacy of an imidacloprid/flumethrin collar applied on Study Day 0 againstCtenocephalides felis felison repeatedly infested cats
| Study day |
Geometric mean number of fleas recovered |
Efficacy (%) | |
|---|---|---|---|
| Untreated control cats | Collared cats* | ||
|
8 |
76.8 |
0.1 |
99.9 |
|
15 |
74.5 |
0 |
100 |
|
22 |
62.5 |
0 |
100 |
| 29 | 73.8 | 0 | 100 |
* The flea counts of the collared group of cats differed statistically significantly (p < 0.05) from those of the untreated control group of cats on all post-treatment assessment days.