Table 3 Mean tick counts and percent efficacy of DPP at 2 hours after treatment or infestation against adult R. sanguineus (s.l.)

AM^a tick counts control

28.1

39.1

38.1

37.6

38.3

41.0

38.8

AM tick counts treated

34.3

14.1

14.6

14.6

8.1

16.4

20.4

AM % efficacy

0

63.9^d

61.6^d

61.1^d

78.8^d

60.1^d

47.4^d

Test F _(1,14)

–

72.65

94.65

36.77

151.08

51.15

26.28

P-value

–

< 0.0001

< 0.0001

< 0.0001

< 0.0001

< 0.0001

0.0002

GM^b tick counts control

27.7

38.8

37.8

37.5

37.9

40.8

38.4

GM tick counts treated

33.9

12.1

14.0

10.4

7.0

14.0

18.5

GM % efficacy

0

68.9^d

63.0^d

72.2^d

81.7^d

65.8^d

51.8^d

Test F _(1,14)

–

21.05

63.40

11.78

53.82

19.99

15.05

P-value

–

0.0004

< 0.0001

0.004

< 0.0001

0.0005

0.0017