Wpływ karmy na helmintofaunę kotów

9 cats from the region of Vistula bay and 2 cats from the breeding farm, fed on fall-offs of sea fish, were examined for helminthofauna. The results obtained are tabulated. On the basis of literature data and own observations, helminthofauna of cats from various biotypes is compared. The cats from the Vistula bay region were invaded by 7 species of Trematodes, those derived from the farms only by one. The cats from Vistula bay region exibited a number of species which occur in fish-eating birds. A common incidence of Opisthorchis felineus (Rivolta, 1884) is stressed, this painting to Vistula bay region as an important focus of this zoonosis. Helminthofauna of the cats under examination differs from that of city cats by the higher number of Trematoda species and lower one of Nemathelminthes species.