The aim of the study was to assess the impact of cleanliness on microbiological contamination of pigs and corresponding pork carcasses. Pig cleanliness was assessed at farm and slaughterhouse using a five-point scale on 4 anatomical areas: rear, back and both flanks. Microbiological sampling was conducted by swabbing 100 cm2 on 4 sites (ham, loin, brisket, shoulder), on pigs and corresponding carcasses. On each sample, aerobic mesophilic bacteria (AMC) and enterobacteriaceae (ENC) were enumerated, and presence of Salmonella detected.