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Table 5 Mean tick counts and percent efficacy of DPP at 48 hours after treatment or infestation against adult R. sanguineus (s.l.)

From: Efficacy and speed of kill of a topically applied formulation of dinotefuran-permethrin-pyriproxyfen against weekly tick infestations with Rhipicephalus sanguineus (sensu lato) on dogs

Day

2

9

16

23

30

37

44

AMa tick counts control

27.9

26.4

30.8

31.9

30.8

31.3

24.5

AM tick counts treated

21.5

2.9

0.4

0.5

0.0

4.4

4.6

AM % efficacy

22.9

89.1c

98.8c

98.4c

100.0c

86.0c

81.1c

Test F (1,14)

39.81

83.96

271.72

159.73

55.15

60.79

P-value

< 0.0001

< 0.0001

< 0.0001

< 0.0001

< 0.0001

< 0.0001

GMb tick counts control

27.0

24.9

29.7

31.5

30.1

30.0

24.0

GM tick counts treated

20.5

1.6

0.3

0.3

0.0

2.9

2.9

GM % efficacy

23.9

93.5c

99.2c

99.1c

100.0c

90.4c

87.8c

Test F (1,14)

40.64

321.09

286.29

1, 964.66

34.60

26.80

P-value

< 0.0001

< 0.0001

< 0.0001

< 0.0001

< 0.0001

0.0001

  1. a AM arithmetic mean
  2. b GM geometric mean
  3. cSignificant difference between treated and control group (P <0.05) based on ANOVA