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Table 1 Counts of Rhipicephalus microplus females (4.5 to 8 mm in length) present in naturally infested cattle belonging to groups submitted to different control schemes and percentage of effectiveness

From: Control of Rhipicephalus microplus on taurine cattle with fluralaner in a subtropical region

Days of the study

Experimental groups/Mean 1 number of R. microplus females (4.5 to 8 mm)

P value

Efficacy (%)

T01: Treatments with fluralaner

T02: Control (palliative treatment)

T01

0 *, α

4.38

A

4.38

A

0.9861

–

3

0.07

B

13.00

A

 < 0.001

99.5

7

0.00

B

8.00

A

 < 0.001

100

14

0.00

B

7.73

A

 < 0.001

100

28

0.00

B

38.40

A

 < 0.001

100

35

0.00

B

12.40

A

 < 0.001

100

42 α

0.00

B

2.00

A

 < 0.001

100

56 β

0.00

B

62.00

A

 < 0.001

100

70

0.00

B

19.00

A

 < 0.001

100

84 α

0.00

B

5.67

A

 < 0.001

100

98 β

0.00

B

214.20

A

 < 0.001

100

112

0.00

B

6.53

A

 < 0.001

100

126

0.00

A

14.33

A

 < 0.001

100

  1. 1: Means followed by the same capital letter in the line do not differ from each other (p > 0.05)
  2. *Mean counts between − 3, − 2 and − 1 days
  3. αTreated group received fluralaner 2.5 mg/kg
  4. βControl group received palliative treatment with a spray formulation of 125 ppm alphacypermethrin + 400 ppm ethion + 212 ppm chlorpyrifos