Leptin concentrations (Figure 1(f)) were 864.9 ± 191.0 pg/mL versus 560.7  ±  86.0 pg/mL at day 2 after infection and 1138.6 ± 446.1 pg/mL versus 682.6 ± 96.3 pg/mL at day 3 after infection (p = 0.029 in two-way ANOVA). This evidence concerns the gene LEP and infection.