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Table 1 Efficacy of a new combination of fipronil and permethrin against Rhipicephalus sanguineus and Ixodes ricinus (Study A)

From: Acaricidal efficacy of a new combination of fipronil and permethrin against Ixodes ricinus and Rhipicephalus sanguineus ticks

Tick species

Study day

Geometric mean of live ticks

 

Untreated control dogs (n = 8)

Treated dogs (n = 8)

Efficacy (%)

R. sanguineus

2

31.8

0.0

100.0*

R. sanguineus

9

24.8

0.0

100.0*

R. sanguineus

16

27.8

0.0

100.0*

R. sanguineus

23

22.8

0.0

100.0*

R. sanguineus

30

24.7

0.7

96.7*

I. ricinus

2

36.7

0.0

100*

I. ricinus

9

32.5

0.0

100.0*

I. ricinus

16

30.7

0.0

100.0*

I. ricinus

23

31.6

0.0

100.0*

I. ricinus

30

33.3

0.3

99.2*

  1. *Significant difference between the tick population means of the treated and control groups (p = 0.005).
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Parasites & Vectors

ISSN: 1756-3305

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