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Table 3 Seroprevalence and risk factors of T. gondii in dairy cattle in Henan Province

From: Low prevalence of antibodies against Toxoplasma gondii in dairy cattle from China’s central region

Factor Category No. of tested Number of seropositive samples /(cut-off) Prevalence (%) 95% Cl
1:100 1:200 1:400 1:800 1:1600 1:3200
Geographya North of the Yellow River 2420 41 6 3 3 2 0 1.69% 1.25–2.30
South of the Yellow River 2116 57 31 18 14 10 7 3.67% 2.08–3.48
Seasonb Summer 416 0 0 0 0 0 0
Springa 424 3 3 2 1 1 1 0.71% 0.14–2.16
Winter 921 14 2 2 2 2 2 1.52% 0.88–2.56
Autumna 3531 85 19 17 14 9 6 2.41% 1.95–2.97
  1. aP-value < 0.05 by two-tailed chi-square tests for geography factor
  2. bSpring includes March, April and May. Summer includes June, July, and August. Autumn includes September, October, and November. Winter includes December, January and February