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Table 1 Results of BoHV-2 serology in relation to the region of origin of animals (a) and farms (b)

From: Bovine Alphaherpesvirus 2 infections in Bavaria: an analysis of the current situation - several years after eradicating Bovine Alphaherpesvirus 1

a Individual animal level

 

BoHV-2 seropositive animals (n = 375)

BoHV-2 seronegative animals (n = 6426)

ORa(CI 95%)

p-value

North Bavaria

8

1908

1.00

Lower Bavaria

19

1051

4.31 (1.88–9.88)

< 0.001

Upper Bavaria

56

1144

11.67 (5.55–24.58)

< 0.001

Swabia

292

2323

29.98 (14.81–60.67)

< 0.001

b Farm level

 

BoHV-2 seropositive farmsb(n = 78)

BoHV-2 seronegative farmsc(n = 328)

ORa(CI 95%)

p-value

North Bavaria

5

100

1.25 (0.29–5.40)

0.764462

Lower Bavaria

3

75

1.00

Upper Bavaria

17

65

6.54 (1.83–23.32)

< 0.05

Swabia

53

88

15.06 (4.52–50.15)

< 0.001

  1. aOdds Ratios
  2. bfarms are classified as BoHV-2 seropositive when at least one BoHV-2 seropositive animal is kept
  3. cfarms are classified as BoHV-2 seronegative when none of the tested animals had antibodies against BoHV-2