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 |