Seroprevalence studies on cats are essential for monitoring the occurrence of Toxoplasma gondii infection. The present research investigated anti-T. gondii antibodies, risk factors, clinical signs, hematology and serum biochemistry in cats from different regions of Rio de Janeiro. An overall 18.7% (17/91) of the cats were seroreactive, and age was associated with increased chances of seroprevalence of anti-T. gondii antibodies. Clinical signs, hematology and serum biochemistry parameters did not help achieve an antemortem diagnosis of cat toxoplasmosis. The parasite circulates in cats from three major regions of Rio de Janeiro, and the present data set will contribute to future epidemiological studies in this endemic state of Brazil.
Keywords: Animals; IgG; Toxoplasmosis; coccidia.
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