Sero- and genotyping of Salmonella in slaughter pigs, from farm to cutting plant, with a focus on the slaughter process

► Typing Salmonella isolates to investigate the main sources of carcass contamination. ► Lairage strains detected in carcasses and slaughter line procedures. ► MLVA and PFGE are proper tools to elucidate the source of carcass contamination. ► Genotyping demonstrates a constant influx of Salmonella during slaughter. ► Genotyping increases the accuracy of cross-contamination attributable values.