Table 4 Flea counts, ranges of counts and mean efficacy at each time point for primary dogs in two clinical field studies in the northern and southern regions of Australia
Day of study | Northern study | Southern study | ||
|---|---|---|---|---|
Sarolaner (2–4 mg/kg) | Spinosad (≥ 30 mg/kg) | Sarolaner (2–4 mg/kg) | Spinosad (≥ 30 mg/kg) | |
Day 0 | ||||
No. of animals | 34 | 19 | 33 | 18 |
Arithmetic mean count | 39.5 | 127.9 | 27.6 | 47.8 |
Range of counts | 7–288 | 5–772 | 5–119 | 5–156 |
Day 14 | ||||
No. of animals | 34 | 19 | 31 | 16 |
Arithmetic mean count | 0.4 | 3.9 | 1.1 | 2.3 |
Range of counts | 0–7 | 0–32 | 0–18 | 0–28 |
Mean efficacy (%)a | 99.3 | 94.6 | 96.7 | 97.6 |
Range of efficacy (%)a | 83–100 | 72–100 | 50–100 | 82–100 |
Day 30 | ||||
No. of animals | 32 | 18 | 29 | 18 |
Arithmetic mean count | 0 | 7.9 | 0.2 | 10.7 |
Range of counts | 0–1 | 0–103 | 0–3 | 0–130 |
Mean efficacy (%)a | 99.2 | 95.7 | 99.5 | 89.7 |
Range of efficacy (%)a | 90–100 | 73–100 | 96–100 | 0–100 |
Day 60 | ||||
No. of animals | 30 | 18 | 27 | 16 |
Arithmetic mean count | 0 | 0 | 0.1 | 0 |
Range of counts | 0–1 | 0–0 | 0–2 | 0–0 |
Mean efficacy (%)a | 98.8 | 100 | 98.6 | 100 |
Range of efficacy (%)a | 92–100 | 100–100 | 60–100 | 100–100 |
Day 90 | ||||
No. of animals | 29 | 15 | 23 | 16 |
Arithmetic mean count | 0 | 0 | 0 | 0.4 |
Range of counts | 0–0 | 0–0 | 0–0 | 0–4 |
Mean efficacy (%)a | 99.9 | 100 | 100 | 99.3 |
Range of efficacy (%)a | 100–100 | 100–100 | 100–100 | 92–100 |