The same pattern was seen in both groups of sows (without transplacental infection: 40.8 ± 13.3% in CD4 SP and 44.3 ± 20.0% in CD4/CD8α DP; with transplacental infection 41.5 ± 15.9% and 47.0 ± 11.8% respectively; non-significant) (Figure 3D). This evidence concerns the gene CD4 and infection.