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Purchased ectoparasiticide doses by USA dog owners in a 12-month period
| Fluralaner | Afoxolaner | Spinosad | |
|---|---|---|---|
| Number of dogs | 58,731 | 118,594 | 54,240 |
| Mean doses acquired (mean ± SD) | 2.3 ± 1.4a | 5.3 ± 5.0b | 3.5 ± 3.5c |
| Months of possible protection (mean ± SD) | 5.7 ± 3.1a | 4.6 ± 3.7b | 3.3 ± 2.9c |
Means with different superscripts differ significantly at P < 0.05. Fluralaner versus afoxolaner (χ2 = 5537.81, df = 1, P < 0.0001) or spinosad (χ2 = 19,593.55, df = 1, P < 0.0001)
