Animals had free access to feed and water throughout
the entire period. The piglets were infected perorally on
d 29 with 3 × 109 viable Salmonellae. The oral infection
was performed with Salmonella enterica subspecies
enterica serovar Typhimurium definitive phage type 104
(S. Typhimurium DT104; Szabó et al., 2009).