Table 1.
The pigs in the TG and NTG groups were from the F1 generation of the TG founders, and those in IC group were the same old pigs vaccined with Ingelvac PRRS MLV. All pigs were challenged with JXA1 at 0 dpi. Sample invalid (*), sample unavailable (−). Survival is indicated by the length of the green bar. Numbers for each day represent the estimated viral titration of the blood samples, expressed as log10 TCID50/ml.