Skip to main content

Table 4 Combinations of results from the cross-SNT tested with 3 isolates

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

Evaluation with BVDV-1a & BDV   Evaluation with BVDV-1h & BDV Assignmenta n = Percentage of combination per assignment [%] Proportion overall [%]
BVD & BVD BVD 428 38.5 71.5
BVD & Negative 4 0.4
BVD & Indeterminate 13 1.2
Indeterminate & BVD 594 53.5
Negative & BVD 72 6.5
BVD   n.d.b   1 0.1  
BD & BD BD 68 65.4 6.7
BD & Indeterminate 32 30.8
BD   n.d.b   1 3.8  
Indeterminate & Indeterminate Indeterminate 276 96.5 18.4
Negative & Indeterminate   10 3.5  
Negative & Negative Negative 52 98.1 3.4
Negative   n.d.b   1 1.9  
Total     1,555   100
  1. aSera with a ratio of ≥ 4 were assigned as “BVD” or “BD”, sera with a ratio < 4 were “indeterminate”, and sera with both titers < 15 are “negative”
  2. b n.d not done, due to insufficient amount of material