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Table 2 Purchased ectoparasiticide doses by USA dog owners in a 12-month period

From: Dog owner flea/tick medication purchases in the USA

  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
  1. 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)