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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