Table 1 Efficacy of a fipronil-permethrin combination (Frontect®) against Ctenocephalides canis flea challenges in dogs
Counts on dogs at 1 h post-infestation (PI) | ||||||
|---|---|---|---|---|---|---|
Groups | Day 2 | Day 7 | Day 14 | Day 21 | Day 28 | |
Treated (6 dogs) | GM | 2.97 | 0.98 | 7.09 | 23.89 | 39.08 |
Control (6 dogs) | GM | 84.98 | 88.99 | 89.12 | 80.23 | 88.26 |
p value | 0.004922 | 0.004772 | 0.004998 | 0.004998 | 0.01027 | |
%Efficacy | 96.5 | 98.9 | 92.0 | 70.2 | 55.7 | |
Counts on dogs at 6 h PI | ||||||
Day 2 | Day 7 | Day 14 | Day 21 | Day 28 | ||
Treated | GM | 0.00 | 0.00 | 0.00 | 0.00 | 0.74 |
Control | GM | 73.22 | 81.64 | 81.01 | 68.10 | 79.91 |
p value | 0.002725 | 0.002778 | 0.002778 | 0.002725 | 0.004698 | |
%Efficacy | 100.0 | 100.0 | 100.0 | 100.0 | 99.1 | |
Counts on dogs at 24 h PI | ||||||
Treated | GM | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Control | GM | 66.76 | 77.63 | 73.61 | 64.32 | 76.30 |
p value | 0.002778 | 0.002725 | 0.002778 | 0.002778 | 0.002778 | |
%Efficacy | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | |