Skip to main content

Table 7 Study 2: Mean numbers of ticks on treated dogs 6 h after each infestation with Rhipicephalus sanguineus

From: Efficacy of slow-release collar formulations of imidacloprid/flumethrin and deltamethrin and of spot-on formulations of fipronil/(s) - methoprene, dinotefuran/pyriproxyfen/permethrin and (s) –methoprene/amitraz/fipronil against Rhipicephalus sanguineus and Ctenocephalides felis felis on dogs

Day

Mean numbers of ticks (6 h after re-infestation)

Untreated controls

(Group 1)

Imidacloprid/

flumethrin

(Group 2)

(S)-methoprene/

amitraz/fipronil (Group 3)

re-treatment: Day 35

(S)-methoprene/

amitraz/fipronil

(Group 4)

7

27.8

4.0

2.1

-

14

32.9

2.3

5.8

-

21

32.4

1.8

7.4

-

28

34.1

1.4

10.0

-

35

36.9

1.1

4.0*

-

42

30.4

0.9

0.8

1.5

49

34.6

1.9

4.4

9.3

56

35.3

3.5

8.1

14.8

63

36.9

2.5

10.4

12.8

70

35.3

1.4

12.3

17.0

  1. * Tick count 6 h after re-treatment.