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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®