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Table 3 × 2 Analysis of Positive vs. Negative Pools by Location

From: Bluetongue virus infection creates light averse Culicoides vectors and serious errors in transmission risk estimates

Location Positive pools Negative pools Total
Animals 14 68 82
  15.6 66.6  
Wastewater Ponds 7 103 110
  27.1 117.9  
Fields 69 211 280
  53.4 226.6  
Total 90 382 472
  1. × 2 = 17.36, df = 2, p < 0.001
  2. Data from dairies S and D only. Within a location, the first row of the table shows the observed values and the second row shows the expected values