In 1994 more than 14 milion pigs have been slaughtered under veterinary inspection in Poland. During pre- and postslaughtered examinations pathological lesions were found in more than 5 milion (36.57%) of the carcasses, 90 356 (0.64%) of carcasses were evaluated as unfit, inferior or conditionally approved. The following have been diagnosed: tuberculosis, septicemia and pyemia, neoplasms, leukemia, emaciation, icterus, abnormal odor, incomplete bleeding, cysticercosis, trichinellosis, echinococcosis and other parasites, purulent foci and hyperemia. Tuberculosis-like lesions were diagnosed in 0.48% pigs. In 14 provinces from 10 to 97 cases of the trichinellosis (85% of all cases in Poland) were determined. The extensiveness of the trichinellosis ranged to 0.003%, S. miescheriana ranged from 0.15 to 1.02% and echinococcosis from 2.25 to 20.26%.