FMDV Subtype R/S Category Number of CPF-BON in each AVA level High Intermediate Low A24 VR 10 8 1 R 0 5 3 S 0 0 3 O1 VR 2 4 1 R 2 8 5 S 0 0 7

Table 2: AVA of supernatants from PCF-BON pertaining to several categories of R/S to FMDV. AVA of supernatants from PCF-BON that are very resistant (VR), resistant (R) or susceptible (S) to FMDV A24 or O1 infection. The PCF-BON samples are classified as high, intermediate or low producers of AVA.