| prevalence of toxoplasma gondii infection in raccoons. | serum samples from 427 raccoons (93 from pennsylvania, 45 from new jersey, 72 from south carolina, 68 from virginia, 30 from iowa, and 119 from ohio) were evaluated for toxoplasma gondii antibodies in dilutions of 1:25, 1:50, and 1:500. the distribution of t gondii antibody titers was less than 1:25 for 212 raccoons (49.6%), 1:25 for 34 raccoons (7.9%), 1:50 for 117 raccoons (27.4%), and greater than or equal to 1:500 for 64 raccoons (14.9%). tissue cysts were seen in the liver, and tachyzoites ... | 1992 | 1559896 |