| 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 |
| epizootiology of canine distemper in new jersey raccoons. | seventeen epizootics of canine distemper (cd) involving at least 615 raccoons (procyon lotor) were identified between 1 september 1977 and 25 march 1991 in new jersey (usa). epizootics occurred three times at four year intervals in three areas. based on this cycling, the wide distribution of cd cases, and their occurrence between epizootics, i propose an enzootic status for cd in new jersey raccoons. the peak period prevalence of raccoon canine distemper cases occurred at the end of the mating s ... | 1993 | 8355340 |
| serologic survey for selected infectious disease agents in swift and kit foxes from the western united states. | a serologic survey of swift fox (vulpes velox) and kit fox (v. macrotis) from the western usa was conducted for 12 infectious diseases. samples from swift fox were collected between 1987 and 1992 from colorado (n = 44), kansas (n = 10), and wyoming (n = 9). samples from kit fox were collected in california (n = 86), new mexico (n = 18), utah (n = 9), and arizona (n = 6). overall antibody prevalence rates were 33 of 110 (30%) for canine parvovirus (cpv), 9 of 72 (13%) for canine distemper virus ( ... | 2000 | 11085448 |