The study was undertaken to determine the rates of infection with acute and chronic toxoplasmosis among cats in the town of Perm. Fecal tests established the infection of domestic animals with different intestinal parasites: Toxocara cati, Toxascaris leonine, Uncinaria stenocephala, Oslerus osleri, Hydatigera taeniaformis, Blastocystisfelis, and Toxoplasma gondii. Serum tests revealed antibodies to the pathogen of toxoplasmosis in 80% of samples. The highest infection rate was observed among the cats going into the street and having a chance of catching. About 1% of seropositive cats discharged fecal oocysts, i.e. they had acute toxoplasmosis.