| seroprevalence of toxoplasma gondii antibodies in cats and pigs from rural western amazon, brazil. | antibodies to toxoplasma gondii were assayed in sera of 63 cats and 80 pigs from 71 farms located at rondônia state, western amazon, brazil, by the modified agglutination test (mat) and the indirect immunofluorescent antibody test (ifat). antibodies (mat > or = 1: 25) were found in 55 of 63 cats (87.3%) with titers of 1:25 in 2, 1:50 in 2, 1:100 in 7, 1:200 in 1, 1:400 in 2, 1:800 in 9, 1:1,600 in 6, and 1:3,200 or higher in 26 cats. by ifat, antibodies were found in 55 cats (87.3%) with titers ... | 2006 | 16995406 |