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Table 1 The antibody detection in the field survey using the ORT test kit

From: Co-infection of broilers with Ornithobacterium rhinotracheale and H9N2 avian influenza virus

Species Ages No. stock Samples No. positive Positivity (%)
Breeding broilers 120-238 70,000 46 30 65.2**
Breeding layers 170-280 100,000 61 56 91.8**
Broilers 24-38 95,000 31 26 83.8**
Layers 120 16,000 15 15 100.0**
Total (infected)   281,000 153 127 83.0
Healthy broilers 32-35 10,000 40 6 15.0
  1. **Significantly different from the healthy broilers (P<0.01).