Antigenic relationship among the novel OVPV and other Pestivirus members. (A) Neutralization capacity deduced from the serum–antigen interactions (see Table 2). Mean values were compared by Brown–Forsythe Welch ANOVA test with multiple comparisons using Dunnett correction all implemented in GraphPad Prims Software (GraphPad software, Inc. 1992–2020). Abbreviation for each Pestivirus species tested is denoted, asterisk indicates significant difference (p < 0.05), p-value is also shown. (B) Graphical representation of the amino acid sequence identity for the most immunogenic domain (BC) of the most immunogenic protein of the Pestivirus members (E2) among the ovine Pestivirus and other member tested in the viral neutralization assay. The BC domain for CSFV Alfort/187 and Diepholtz strains is denoted in blue, in red is denoted the BC domain of the Pestivirus species, BDV and BVDV, the BC domain of the OVPV is denoted in pink. The percentage value for the identity of sequence is also shown.