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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