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Table 4 Prevalence of cattle by breed infected with A. marginale and A. phagocytophilum

From: Anaplasma marginale and A. phagocytophilum in cattle in Tunisia

Breed (n)

A. marginale (%)

A. phagocytophilum (%)

A. marg + A. phag (%)a

Negative (%)

Total (%)

Local (122)

31 (25.4)

0

1 (0.8)

90 (73.8)

32 (26.2)

Cross-bred (106)

24 (22.7)

0

0

82 (77.4)

24 (22.6)

Friesian (59)

9 (15.3)

0

1 (1.7)

49 (83.1)

10 (17.0)

Schwytz (30)

17 (56.7)

0

0

13 (43.3)

17 (56.7)

Holstein (11)

0

0

0

11 (100.0)

0

Total (328)

81 (24.7)

0

2 (0.6)

245 (74.7)

83 (25.3)

  1. a A. phagocytophylum was always found as a mixed infection with A. marginale