The aim of the present study was to evaluate the effects of feed particle size and flooring designs on organ traits, performance and pododermatitis in broilers. A total of 480 broilers (Ross 308) of both sexes were randomly assigned to two feeding groups (finely or coarsely ground pelleted diets; with addition of 5% to 10% intact wheat in coarsely diets) and four different housing systems (litter; litter with floor heating; partially or fully slatted floor) with three subgroups each. A coarse diet increased the final gizzard and pancreas weights (p Isthmus gastrici dilatation compared to a fine diet (p p = 0.023) and led to a favourable feed conversion ratio. Final body weight was the highest (p p Isthmus gastrici. Increasing growth performance was possible both when using coarse diets or slatted floors.
