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Table 3 Analysis of acaricidal efficacy (Rhipicephalus sanguineus) 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 (Efficacy %)

p-value

Day 2

32.7

1.6 (95.1 %)

<.0001

Day 3

27.9

0.0 (100.0 %)

<.0001

Day 7

33.8

0.1 (99.7 %)

<.0001

Day 8

30.2

0.0 (100.0 %)

<.0001

Day 14

33.5

1.5 (95.6 %)

<.0001

Day 15

29.3

0.0 (100.0 %)

<.0001

Day 21

32.7

1.7 (94.7 %)

<.0001

Day 22

32.5

0.4 (98.9 %)

<.0001

Day 28

34.4

9.8 (71.4 %)

<.0001

Day 29

30.9

0.7 (97.7 %)

<.0001

  1. Group 1: Negative control
  2. Group 2: Dogs were treated with Frontline Tri-Act®
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Parasites & Vectors

ISSN: 1756-3305

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