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Seroprevalence of Toxoplasma gondii Infection in Domestic Sheep in Durango State, Mexico

Alvarado-Esquivel, C ; García-Machado, C ; Alvarado-Esquivel, D ; Vitela-Corrales, J ; Villena, I ; Dubey, J. P

The Journal of parasitology, 2012-04, Vol.98 (2), p.271-273 [Periódico revisado por pares]

Lawrence, KS: American Society of Parasitologists

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Título:
Seroprevalence of Toxoplasma gondii Infection in Domestic Sheep in Durango State, Mexico
Autor: Alvarado-Esquivel, C ; García-Machado, C ; Alvarado-Esquivel, D ; Vitela-Corrales, J ; Villena, I ; Dubey, J. P
Assuntos: Age ; Age Factors ; Agglutination ; agglutination tests ; Agglutination Tests - veterinary ; animal age ; Animals ; Antibodies ; Antibodies, Protozoan - blood ; Biological and medical sciences ; breeds ; Desert Climate ; Deserts ; Farms ; Female ; flocks ; Fundamental and applied biological sciences. Psychology ; gender ; General aspects ; General aspects and techniques. Study of several systematic groups. Models ; Geographic regions ; Geography ; IMMUNOLOGY ; Infection ; Infections ; Invertebrates ; Male ; Mammalia ; Meats ; Mexico - epidemiology ; mountains ; Ovis aries ; Parasitology ; Protozoa ; semiarid zones ; Seroepidemiologic Studies ; Serology ; seroprevalence ; Sheep ; Sheep Diseases - epidemiology ; Sheep Diseases - parasitology ; Statistical analysis ; Toxoplasma - immunology ; Toxoplasma gondii ; Toxoplasmosis ; Toxoplasmosis, Animal - epidemiology ; Toxoplasmosis, Animal - parasitology ; Valleys ; Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution ; Veterinary medicine
É parte de: The Journal of parasitology, 2012-04, Vol.98 (2), p.271-273
Notas: http://handle.nal.usda.gov/10113/57723
http://dx.doi.org/10.1645/GE-2958.1
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Descrição: The seroprevalence of Toxoplasma gondii infection in sheep (Ovis aries) in northern Mexico is largely unknown. Antibodies to T. gondii were determined in serum samples from 511 sheep from 8 farms in Durango State, Mexico, using the modified agglutination test (MAT). Sheep were raised in 3 geographical regions, i.e., mountainous (n = 68), semi-desert (n = 132), and valley (n = 311). Overall, T. gondii antibodies were found in 77 (15.1%) of 511 sheep, with MAT titers of 1∶25 in 27, 1∶50 in 10, 1∶100 in 11, 1∶200 in 11, 1∶400 in 8, 1∶800 in 3, 1∶1,600 in 4, and 1∶3,200 in 3. The seroprevalence of T. gondii infection increased significantly with age, indicating post-natal transmission. In contrast, gender, breed, flock size, and geographic region did not significantly influence the seroprevalence. Seropositive sheep were found in 7 of 8 farms sampled. This is the first report of T. gondii infection in sheep in Durango State, Mexico. Results indicate that infected sheep are probably an important source of T. gondii infection for humans in Durango State.
Editor: Lawrence, KS: American Society of Parasitologists
Idioma: Inglês

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Seroprevalence of Toxoplasma gondii Infection in Domestic Sheep in Durango State, Mexico

Alvarado-Esquivel, C ; García-Machado, C ; Alvarado-Esquivel, D ; Vitela-Corrales, J ; Villena, I ; Dubey, J. P

Lawrence, KS: American Society of Parasitologists

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