On day 11, there were interactions between diet and birthweight on the expression of PPARG and PDHA1 (both p < 0.05) with post hoc tests in both cases indicating lower expression in MILK-IUGR than MILK-NBW (p < 0.01, p < 0.001, Figure 4A,B). The gene discussed is PDHA1; the disease is fetal growth restriction.