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Table 4 Analysis of acaricidal efficacy (Ixodes ricinus) based on geometric means

From: Repellency and acaricidal efficacy of a new combination of fipronil and permethrin against Ixodes ricinus and Rhipicephalus sanguineus ticks on dogs

4-h assessments 24-h assessments
Day Control mean Treated dogs Mean (Efficacy %) p-value Day Control mean Treated dogs Mean (Efficacy %) p-value
Day 2 14.2 1.3 (91.1 %) <.0001 Day 3 13.1 0.0 (100.0 %) <.0001
Day 7 13.2 0.2 (98.6 %) <.0001 Day 8 10.3 0.0 (100.0 %) <.0001
Day 14 20.4 1.0 (95.3 %) <.0001 Day 15 17.4 0.0 (100.0 %) <.0001
Day 21 19.3 1.3 (93.2 %) <.0001 Day 22 19.3 0.1 (99.5 %) <.0001
Day 28 24.2 1.6 (93.2 %) <.0001 Day 29 24.1 0.1 (99.6 %) <.0001
  1. Group 1: Negative control
  2. Group 2: Dogs were treated with IVP with Frontline Tri-Act®