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Table 2 Mean arithmetic on animal tick counts six hours after infestation of dogs with Rhipicephalus sanguineus

From: Comparative efficacy of oral administrated afoxolaner (NexGard™) and fluralaner (Bravecto™) with topically applied permethrin/imidacloprid (Advantix®) against transmission of Ehrlichia canis by infected Rhipicephalus sanguineus ticks to dogs

Day

Arithmetic mean tick counts 6 hours after infestationa

Control

Advantix®

NexGard™

Bravecto™

M

M

F

df

P

M

F

df

P

M

F

df

P

Day 30

20.1

3.3

8.12

3

0.0005

15.5

8.12

3

0.2920

22.9

8.12

3

0.5283

Day 35

35.0

3.4

17.07

3

< 0.0001

27.3

17.07

3

0.1092

26.9

17.07

3

0.0939

Day 42

31.6

2.3

32.17

3

< 0.0001

24.5

32.17

3

0.0366

26.6

32.17

3

0.1346

Day 49

35.4

1.1

27.53

3

< 0.0001

34.6

27.53

3

0.8665

31.1

27.53

3

0.3444

Day 56

33.4

2.6

16.24

3

< 0.0001

29.3

16.24

3

0.4017

26.1

16.24

3

0.1457

Day 63

32.0

6.3

9.30

3

< 0.0001

25.8

9.30

3

0.2447

27.1

9.30

3

0.3619

Day 70

27.6

0.6

34.78

3

< 0.0001

24.6

34.78

3

0.3224

23.4

34.78

3

0.1646

Day 77

25.5

2.6

10.24

3

< 0.0001

23.4

10.24

3

0.6452

18.1

10.24

3

0.1175

Day 84

32.4

1.8

59.82

3

< 0.0001

34.9

59.82

3

0.3882

31.1

59.82

3

0.6646

  1. Abbreviations: M, arithmetic mean; F, F-statistic; df, degrees of freedom; P, P-value (one-way ANOVA with a treatment effect in comparison with control group)
  2. acounts based on ticks attached to the dogs, excluding ticks in the crates