Table 2 Animal demographic characteristics associated with occurrence of RVF virus in pastoral cattle herds of North-central Nigeria
Demographic characteristic | Number of samples negative n (%) | Number of samples positive n (%) | Chi-square (X2) | P-value |
|---|---|---|---|---|
Breed | ||||
 Bokoloji | 22 | 1 | 0.403 | 0.810 |
 Rahaji | 25 | 1 |  |  |
 Bunaji | 54 | 4 |  |  |
Age (in years) | ||||
 1–3 | 36 | 3 | 0.504 | 0.470 |
  > 3 | 65 | 3 |  |  |
Sex | ||||
 Bulls | 22 | 2 | 0.434 | 0.510 |
 Cows | 79 | 4 |  |  |
Production system | ||||
 Agro-pastoral cattle | 51 | 2 | 0.667 | 0.410 |
 Nomadic cattle | 50 | 4 |  |  |