Serological profile of Toxoplasma gondii and Neospora caninum infection in commercial sheep from São Paulo State, Brazil
作者： Helio Langoni , Haroldo Greca , Felipe F. Guimarães , Leila S. Ullmann , Fernanda C. Gaio
DOI: 10.1016/J.VETPAR.2010.11.024
关键词:
摘要: Abstract Neosporosis and toxoplasmosis are two important infections in young adult sheep, leading to low production abortion. This study aimed determine the frequency of antibodies Toxoplasma gondii Neospora caninum sheep from eastern region Sao Paulo State, Brazil. Serum samples (382) were collected assayed for T. through modified agglutination test (MAT) indirect fluorescent antibody (IFAT), N. antibodies, IFAT, with cut-off titers equal 16 (T. gondii) 25 (N. caninum). All frozen sent Center Zoonoses Research (NUPEZO), Department Veterinary Hygiene Public Health (DHSVP), FMVZ, UNESP, serological tests. A total 71/382 (18.6%) reacted gondii, especially at (28; 39.4%), 64 (15; 21.1%), 256 (21; 29.6%) 1024 (6; 8.5%) by MAT, (34; 47.9%), (18; 25.4%), (14; 19.7%) (5; 7%) IFAT. As regards caninum, 49/382 (12.8%) (17; 34.7%), 50 (11; 22.5%), 100 ≥200 (10; 20.4%). These animals presented infection but no clinical signs. Six ten had high neosporosis. No significant association was observed between both parasites (P = 0.535) according Fisher's exact test, correlation found (r = −0.0068; P = 0.895), (IFAT) (r = −0.0025; P = 0.961). Thus, farms located where play an economical role national regional business.
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