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A Toxoplasmose pode ser congenita ou adquirida e representa uma das infeccoes parasitarias mais comuns em caprinos, de qualquer faixa etaria, raca e/ou sexo. Estudos epidemiologicos realizados no Brasil e no mundo apontam que a prevalencia de anticorpos anti- Toxoplasma gondii varia entre 10% a 86%, independente do sistema de producao adotado. Objetivou-se com este estudo avaliar a prevalencia de anticorpos anti- Toxoplasma gondii em caprinos de oito propriedades rurais de Quixada, Ceara. Foram realizadas coletas de sangue por venipuncao da jugular de 93 cabritos, machos e femeas, com mais de quatro meses de idade; 54 matrizes e tres reprodutores. Os sangues foram centrifugados a 3000xg por 10 minutos para obtencao do soro. Estes foram armazenados em tubos tipo eppendorf ® e congelados a -20°C ate o momento da realizacao do teste ELISA indireto, usando como antigeno taquizoitos de T. gondii . A pesquisa foi aprovada pela Comissao de Etica no Uso de Animais da FCAV-UNESP, sob o protocolo 014465/12. As analises estatisticas foram realizadas no programa EPI Info 7.0.9.7 utilizando-se o teste Qui-quadrado. A prevalencia de anticorpos anti- T. gondii encontrada: nas oito propriedades foi de 23,33% (35/150) e para as diferentes categorias animais de 15,05% (14/93) para crias; 37,04% (20/54) para matrizes e 33,33% (1/3) para os reprodutores, quando essas foram comparadas houve diferenca estatistica entre crias x matrizes (P = 0,0006) e crias x reprodutores (P = 0,004). Com relacao ao sexo a prevalencia encontrada para femeas foi de 25,21% (30/119) e para machos de 16,13% (5/31), nao foi observada diferenca estatistica (P = 0,16). O sistema de producao adotado na maioria das propriedades era misto, ou seja, produzia-se carne e leite. Em todas as propriedades estudadas foi encontrado pelo menos um animal soropositivo para T. gondii , demonstrando que formas infectantes do protozoario estao presentes na regiao estudada. SUMMARY Congenital or acquired toxoplasmosis is one of the most common parasitic infections in goats of any age, race and sex. Epidemiological studies carried out in Brazil and around the world show that the prevalence of Toxoplasma gondii antibodies ranges from 10% to 86%, regardless of the adopted production system. The objective of this study was to evaluate the prevalence of antibodies to Toxoplasma gondii in goats from eight farms in Quixada, Ceara. Blood samples were collected by jugular venipuncture of 93 male and female little goats, older than four months; 54 does and three bucks (breeders). The blood samples were centrifuged at 3000xg for 10 minutes to separate the serum. Serum samples were stored in Eppendorf ® tubes and frozen at -20°C for further testing by the indirect ELISA using as antigen tachyzoites of T. gondii . The study was approved by the Ethics Committee on Animal Use of FCAV - UNESP, under protocol 014465/12. Statistical analyses were performed by the Epi Info 7.0.9.7 software using the Chi-square test. The prevalence of T. gondii antibody for the eight properties studied was as follows: 23.33% (35/150) while within the animal categories, they were 15.05% (14/93) for offspring; 37.04% (20/54) for does; 33% (1/3) for bucks. The statistical analysis showed significant differences between offspring x does (P=0.0006) and offspring x bucks (P=0.004). With respect to gender, the prevalence for does was 25.21% (30/119) while for bucks, it was 16.13% (5/31), but they were not statistically different (P=0.16). The production system adopted in the majority of properties was mixed, that is, they produced meat and milk. All the properties had at least one animal positive for T. gondii , demonstrating that infectious forms of the parasite are present in the studied region.

PREVALÊNCIA DE ANTICORPOS ANTI-Toxoplasma gondii EM CAPRINOS / PREVALENCE OF Toxoplasma gondii ANTIBODIES IN GOATS