Table 7.
Efficacy at 48 h post-infestation and number of dogs free of live ticks after weekly (days −2, 7, 14, 21, and 28) artificial infestations with adult Rhipicephalus sanguineus on mixed-bred dogs treated with a topical ectoparasiticides on day 0
| Days | DPPA | IP | FM | ||||||
|---|---|---|---|---|---|---|---|---|---|
| AMB | GM | TF | AM | GM | TF | AM | GM | TF | |
| 2 | 53.1 | 57.1 | 0/8 | 45.5 | 54.3 | 0/8 | 64.6 | 75.5 | 0/8 |
| 9 | 99.5 | 99.6 | 7/8 | 99.5 | 99.6 | 7/8 | 98.6 | 99.0 | 6/8 |
| 16 | 100.0 | 100.0 | 8/8 | 93.9 | 98.3 | 7/8 | 99.4 | 99.6 | 7/8 |
| 23 | 99.6 | 99.7 | 7/8 | 91.9 | 95.4 | 3/8 | 93.7 | 95.0 | 2/8 |
| 30 | 97.8 | 98.5 | 5/8 | 85.0 | 92.8 | 3/8 | 87.6 | 91.8 | 2/8 |
A DPP dinotefuran, pyriproxyfen, and permethrin, IP imidacloprid and permethrin, FM fipronil and (S)-methoprene
B AM efficacy calculated on arithmetic mean, GM efficacy calculated on geometric mean, TF number of dogs free of live-ticks