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

From: Epidemiology and genotyping of Anaplasma marginale and co-infection with piroplasms and other Anaplasmataceae in cattle and buffaloes from Egypt

Parameter n/N % χ2 P-value
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
  1. **P < 0.01
  2. Abbreviations: n, number positive; N, total number