Open Access

Table 1

Seroprevalence of Neospora caninum in 779 domestic sheep in Henan province, central China.

Variable No. examined No. positive Prevalence (%) X2 P-value
Region
   Zhoukou 255 12 4.71 3.858 0.145
   Zhumadian 272 24 8.82    
   Xinxiang 252 21 8.33    
Gender
   Male 292 18 6.16 0.915 0.339
   Female 487 39 8.01    
Age (years)
   ≤ 1 246 11 4.47 8.587 0.014
   1∼2 292 19 6.51    
   ≥ 2 241 27 11.2    
Presence of dogs in the herd
   Yes 359 40 11.14 14.365 < 0.001
   No 420 17 4.05    
Rearing system
   Extensive 215 25 11.63 8.845 0.012
   Semi-intensive 343 22 6.41    
   Intensive 221 10 4.52    
Total 779 57 7.32    

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