CPA1 and infection: Disseminated infection prevalence decreased significantly from 84.7% in WT carcasses to 46.7% in CpA-Dcr2 (1.8-fold reduction) and 47.5% in CpA-R2d2 carcasses (1.78-fold reduction) (Fig 2H, Fisher’s exact test, ****P < 0.0001).