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Table 3 Details of the numbers of deer tested by age group for antibodies to each virus, the number testing positive and the derived true prevalence (Tp) 95% confidence intervals

From: A survey of free-ranging deer in Ireland for serological evidence of exposure to bovine viral diarrhoea virus, bovine herpes virus-1, bluetongue virus and Schmallenberg virus

  BVDV BoHV-1 SBV BTV
Age Group Tested Positive Tested Positive Tested Positive Tested Positive
Adult 196 4 195 1 196 30b 196 0
Yearling 68 1 68 0 67 1 68 0
Calf 30 0 30 2 29 3 30 0
Not recorded 96 1 96 4a 96 4c 96 0
Total 390 6 (1.5%) 389 7 (1.8%) 388 38 (9.7%) 390 0 (0.0%)
Tp (95% CI) 0.0% (0-1.7%) 1.5% (0.1-3.0%) 9.9% (6.8-13.0%) 0.0% (0.01-0.10%)
  1. aA further 5 samples gave an inconclusive result
  2. bA further 6 samples gave an inconclusive result
  3. cA further 1 sample gave an inconclusive result