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An epidemiological study on toxoplasma zoonosis among man swine and cats in a pig breeding district



An epidemiological study on toxoplasma zoonosis among man swine and cats in a pig breeding district



Japanese Journal of Parasitology 25(5): 350-355



Since prevalence of swine toxoplasmosis could reflect the degree of oocyst infestation in an area, a survey was conducted on humans, swine and stray cats in 6 areas of Hamaoka district, Shizuoka Prefecture [Japan] for the presence of Toxoplasma antibodies. Sera from 316 humans and 88 cats were dye-tested and 722 sera from pigs were tested by the indirect hemagglutination (HA) test using a commercially available kit. In the whole examined district, the prevalence rate of the antibodies among pig breeders and their families was 17.1% (54/316), ranging from 8.1-24.2% according to the area. Positive HA titers were detected among pigs at a rate of 21.7% (157/722), the range being from 7.8-33.2%. The sera from the cats were dye test positive at 22.7% (20/88). A significant positive correlation was recognized between the positive rates in swine and man in the respective areas (r = +0.865, P < 0.05), with a weaker correlation between those in swine and cats (r = +0.706, 0.05 < P < 0.10). The prevalence of Toxoplasma infections among domestic swine is probably an indicator for the oocyst infestation of an area, and both pig breeder's families and their swine share the infection through the same source, i.e., the soil etc., contaminated with the oocyst.

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Accession: 004723670

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