Table 3 Summary of the number of treatments against Anaplasma marginale, percentage of bacteremia and packed cell volume for calves subjected to the different control schemes against Rhipicephalus microplus

1st

A. marginale bacteremia (%)

0

1.17 (0.0–3.2) a

1.27 (0.2–3.0) a

0.7553

3

0.55 (0.0–1.4) a

0.63(0.0–2.5) a

0.9398

7

0.36 (0.0–2.1) a

0.39 (0.0–1.1) a

0.2794

PCV (%)

0

28.16 (15–38) a

26.67 (13–35) a

0.7047

3

30.67 (23–40) a

29.59 (11–37) a

0.9335

7

30.57 (24–41) a

29.97 (18–39) a

0.8468

2nd

A. marginale bacteremia (%)

0

1.51 (0.2–3.4) a

1.88 (0.0–4.0) a

0.2215

3

0.75 (0.0–2.2) a

1.03 (0.0–3.2) a

0.2196

7

0.32 (0.0–2.0) b

0.61 (0.0–2.1) a

0.0272

PCV (%)

0

27.1 (15–39) a

23.34 (12–40) a

0.0355

3

28.80 (19–39) a

25.21 (15–38) a

0.0626

7

28.97 (11–36) a

26.21 (18–37) b

0.0221

3rd

A. marginale bacteremia (%)

0

1.29 (0.2–3.1) a

1.43 (0.0–3.6) a

0.4729

3

0.61 (0.0–2.1) a

0.76 (0.0–2.2) a

0.4143

7

0.29 (0.0–1.0) a

0.39 (0.0 -1.3) a

0.1558

PCV (%)

0

24.14 (15–32) a

21.70 (12–35) b

0.0107

3

25.61 (16–34) a

23.37 (15–34) a

0.0567

7

26.52 (18–33) a

25.15 (18–33) a

0.1975

4th

A. marginale bacteremia (%)

0

0.87 (0.0–3.4) a

1.44 (0.2–3.5) a

0.1558

3

0.24 (0.0–2.1) b

0.84 (0.0–2.2) a

0.0143

7

0.10 (0.0–1.2) b

0.41 (0.0–1.3) a

0.0150

PCV (%)

0

21.62 (14–28) a

20.67 (10–28) a

0.6746

3

23.77 (14–30) a

22.05 (9–28) a

0.5761

7

25.46 (19–31)a

24.95 (14–30)a

0.6971

5th

A. marginale bacteremia (%)

0

1.56 (0.4–2.9)a

1.12 (0.0–2.8)a

0.3558

3

0.46 (0.0–2.3)a

0.39 (0.0–1.2)a

0.7292

7

0.19 (0.0–0.8)a

0.23 (0.0–0.9)a

0.9571

PCV (%)

0

21.00 (15–25)a

21.57 (16–26)a

0.2012

3

23.28 (15–31)a

23.79 (18–29)a

0.3261

7

26.39 (20–32)a

25.71 (15–33)a

0.9209

Mean number of treatments performed in cattle between 3 to 10 months of age

5.06 (2–8)a

5.03 (2–8)a

0.8596