Fig. 1

Results of the commercial BVD antibody ELISAs. Results generated using the respective short incubation protocol are shown in black and results produced by the long sample incubation protocol are depicted in red. Green circles represent results for which the participating laboratory did not indicate the applied protocol. The cut-offs are indicated by horizontal dashed lines (black for short protocol, red for long protocol). When the same cut-off is to be used for both protocols, the line is colored in black. A) Three participants indicated their results in the unit PI%, these results were converted into S/N% for the generation of the figure. Two further participants used another, not further specified unit, these results are not shown