Skip to main content

Table 3 Ratios of the cross-SNT titers of 10 sera tested with all combinations of BDV and BVDV isolates

From: Influence of border disease virus (BDV) on serological surveillance within the bovine virus diarrhea (BVD) eradication program in Switzerland

Sera Virus pair
  BVDV-1h BVDV-1e BVDV-1k
  BD Swiss-a BD Swiss-b BDV-3 BDV-1a BD Swiss-a BD Swiss-b BDV-3 BDV-1a BD Swiss-a BD Swiss-b BDV-3 BDV-1a
α-BDSwiss-a 4.4 4.4 1.9 2.0 5.1 5.1 2.2 2.4 8.8 8.8 3.7 4.1
α-BDSwiss-b 4.0 a 6.7 1.8 2.2 5.6 9.5 2.6 3.1 8.8 14.7 4.0 4.8
α-BDV-3 1.1 0.9 2.8 0.9 1.5 1.3 4.0 1.3 4.4 3.7 11.4 3.7
α-BDV-1a 1.7 2.6 1.7 1.5 3.1 4.8 3.1 2.8 11.4 17.6 11.4 10.5
α-BVDV-1h 6.2 14.7 16.0 16.0 0.6 1.5 1.7 1.7 0.5 1.1 1.2 1.2
α-BVDV-1e 64.6 60.3 32.3 26.6 365.7 341.3 182.9 150.6 11.4 10.7 5.7 4.7
α-BVDV-1k 22.7 6.8 13.3 6.2 10.4 3.1 6.1 2.8 6.2 1.8 3.6 1.7
α-BVDV-1b 22.7 19.0 26.7 16.0 10.4 8.7 12.2 7.3 4.8 4.0 5.6 3.4
α-BVDV-1a 38.1 10.4 15.9 24.5 17.5 4.8 7.3 11.3 19.1 5.2 7.9 12.3
α-BVDV-2a 8.0 4.3 8.0 3.4 7.3 4.0 a 7.3 3.1 1.7 0.9 1.7 0.7
Sera Virus pair
  BVDV-1b BVDV-1a BVDV-2a
  BD Swiss-a BD Swiss-b BDV-3 BDV-1a BD Swiss-a BD Swiss-b BDV-3 BDV-1a BD Swiss-a BD Swiss-b BDV-3 BDV-1a
α-BDSwiss-a 5.1 5.1 2.2 2.4 8.8 8.8 3.7 4.1 8.2 8.2 3.5 3.8
α-BDSwiss-b 4.3 7.3 2.0 2.4 34.5 58.1 15.8 18.8 22.6 38.0 10.3 12.3
α-BDV-3 2.0 1.7 5.2 1.7 4.4 3.7 11.4 3.7 6.2 5.2 16.0 5.2
α-BDV-1a 2.0 3.1 2.0 1.8 11.4 17.6 11.4 10.5 10.7 16.5 10.7 9.8
α-BVDV-1h 1.5 3.7 4.0 4.0 0.6 1.4 1.5 1.5 0.5 1.3 1.4 1.4
α-BVDV-1e 32.4 30.2 16.2 13.3 24.9 23.3 12.5 10.3 11.4 10.7 5.7 4.7
α-BVDV-1k 19.1 5.7 11.2 5.2 6.2 1.8 3.6 1.7 2.6 0.8 1.5 0.7
α-BVDV-1b 54.0 45.3 63.5 38.1 8.0 6.7 9.4 5.7 3.7 3.1 4.3 2.6
α-BVDV-1a 69.8 19.1 29.1 45.0 234.8 64.3 97.8 151.5 5.7 1.5 2.4 3.6
α-BVDV-2a 2.0 1.1 2.0 0.8 2.8 1.5 2.8 1.2 53.5 29.1 53.5 22.7
  1. For the calculation of the ratios of the α-BD sera, the titer of BDV was taken as numerator and the titer of BVDV as denominator. For the calculation of the ratios of the α-BVD sera the reverse ratio was used. Ratios < 4 are highlighted in bold
  2. aThe exact value was slightly below 4.0