Table 4 Mean parasitemia of Babesia bigemina and Babesia bovis on three experimental days (0, 3 and 7) after the first 5 treatments against these tick fever agents and the mean number of treatments against these parasites for calves subjected to different control schemes against Rhipicephalus microplus

1st

Babesia bigemina

0

0.03 (0.0–0.8) a

0.03 (0.0–0.8) a

0.9621

3

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

7

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

Babesia bovis

0

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

3

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

7

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

2nd

Babesia bigemina

0

0.02 (0.0–0.5) a

0.00 (0.0–0.0) a

0.334

3

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

7

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

Babesia bovis

0

0.02 (0.0–0.6) a

0.00 (0.0–0.0) a

0.1678

3

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

7

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

3rd

Babesia bigemina

0

0.03 (0.0–0.5) a

0.00 (0.0–0.0) a

0.5705

3

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

7

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

Babesia bovis

0

0.00 (0.0–0.1) a

0.04 (0.0–1.1) a

0.8666

3

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

7

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

4th

Babesia bigemina

0

0.02 (0.0–0.4) a

0.05 (0.0–0.5) a

0.7258

3

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

7

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

Babesia bovis

0

0.04 (0.0–0.7) a

0.03 (0.0–0.6) a

0.5091

3

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

7

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

5th

Babesia bigemina

0

0.16 (0.0–0.6) a

0.11 (0.0–0.7) a

0.9672

3

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

7

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

Babesia bovis

0

0.21 (0.0–1.5) a

0.02 (0.0–0.2) a

0.1052

3

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

7

0.00 (0.0–0.0) a

0.00 (0.0–0.0) a

1.000

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