| occurrence of toxoplasma gondii antibodies in dasyprocta aguti from brazil: comparison of diagnostic techniques. | in this study, the occurrence of antibodies to toxoplasma gondii in brazilian agouti (dasyprocta aguti) was compared by modified agglutination test (mat) and indirect fluorescent antibody test (ifat) using anti-capybara conjugate. sera from 109 animals were tested using mat (1:25 cut-off) and ifat (1:16 cut-off); 19% were positive by mat, and 18% were positive by ifat. overall, the 17 ifat-positive samples were also positive for mat. the four positive mat samples with a titer < or = 200 were ifa ... | 2011 | 22204080 |