Table 1 Mean count of female Rhipicephalus microplus (≥ 4.5 mm) in naturally infested cattle treated or not with the fipronil + fluazuron formulation (FIFLUA), as an indicator of treatment efficacy

0^{*, x}

56.90 a

36.64–75.27

56.7 a

36.33–76.03

0.9542

21.13

_

7

52.64 a

28–88

12.40 b

8–45

 < 0.0001

19.85

76.36

14

42.67 a

32–91

2.10 b

0–8

 < 0.0001

17.64

95.06

21

72.50 a

16–75

3.20 b

0–7

 < 0.0001

24.36

95.57

28

87.60 a

29–98

2.60 b

0–5

 < 0.0001

21.57

97.02

35

62.30 a

24–78

5.20 b

0–6

 < 0.0001

23.67

91.62

42

72.60 a

36–112

12.40 b

2–12

 < 0.0001

24.38

82.86

49

88.40 a

24–124

24.60 b

16.0–58.0

0.0003

24.62

72.07