The objective of study was to assess the prevalence of pyloric and fundic abomasal lesions in Swiss veal calves at slaughter and to compare the occurrence of non-perforating abomasal lesions between two different production programs Naturafarm and conventional. Conventional-production settings met the minimal standards as defined by the Swiss animal welfare legislation, whereas Naturafarm production complied with increased animal welfare requirements. A total of 125 abomasa were randomly selected in one large abattoir. They were examined macroscopically, and the occurence of...