Table 4 Epidemiological parameters associated with Anaplasma marginale infection in cattle detected by msp1β qPCR (Chi-square test)

Sex

Male

88/140

62.9

3.0389

0.08129

Female

123/169

72.8

Age

≤ 1 year

78/121

64.5

14.5160

0.00228**

≤ 3 years

34/57

59.7

≤ 5 years

95/120

79.2

≥ 5 years

4/11

36.4

Breed

Native

35/49

71.4

2.0257

0.3632

Friesian

41/67

61.2

Crossbreed

135/193

69.9

Season

Hot months

157/228

68.9

0.0508

0.8217

Non-hot months

54/81

66.7

Locality

Middle Egypt

83/119

69.8

0.3405

0.8435

Upper Egypt

76/111

68.5

Egyptian Oases

52/79

65.8