Figure 1

Experimental set-up of the continuous fermentation experiment. IR: inoculum reactor; CR: control reactor; TR: test reactors 14; F: flow rate; M: fresh medium inflow; stab: stabilization; prev: prevention; challenge: challenge with Salmonella N-15; N-15: S. Typhimurium N-15; RBL67: B. thermophilum RBL67; R-FOS/GOS/MOS: B. thermophilum RBL67?+?respective prebiotic.