[Anti-toxoplasma antibodies in bovine serums in Jaboticabal County; São Paulo, Brazil].

Sera of 204 cows in Jaboticabal, S.P., Brazil were examined by indirect immunofluorescent test for detecting anti-Toxoplasma antibody. Assuming titers from 1:64 as indicative of toxoplasmic infection it was observed 32.3% of positive reactions. The antibody titers even to 1:256 represented 7.8% of the reacting animals. The serological titers varied from 1:64 to 1:256. No clinical story could be correlated with the reacting animals and no isolation was performed.