Serology for brucellosis in free-ranging crab-eating foxes de vida livre do Pantanal Brasileiro

A serological survey in free-ranging crab-eating foxes (Canidae: Cerdocyon thous) and brown-nosed coatis (Procyonidae: Nasua nasua) was performed in the Nhecolandia sub-region of the Brazilian Pantanal to evaluate the presence of anti-smooth Brucella antibodies on those wild populations. The detecti...

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Veröffentlicht in:Ciência rural 2014-12, Vol.44 (12), p.2193
Hauptverfasser: Dorneles, Elaine Maria Seles, Pellegrin, Aiesca Oliveira, Peres, Igor Alexandre Hany Fuzeta Schabib, Mathias, Luis Antonio, Mourao, Guilherme, de Cassia Bianchi, Rita, Olifiers, Natalie, Rocha, Fabiana Lopes, Lage, Andrey Pereira
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Zusammenfassung:A serological survey in free-ranging crab-eating foxes (Canidae: Cerdocyon thous) and brown-nosed coatis (Procyonidae: Nasua nasua) was performed in the Nhecolandia sub-region of the Brazilian Pantanal to evaluate the presence of anti-smooth Brucella antibodies on those wild populations. The detection of anti-smooth Brucella antibodies was performed by the Rose Bengal Test (RBT) as screening test and the Fluorescence Polarization Assay (FPA) as a confirmatory test. The frequency of smooth Brucella seropositive animals were 13.2% (5/38, 95% CI: 4.4%-28.1%) for crab-eating foxes and 8.8% (3/34, 95% CI: 1.9%-23.7%) for brown-nosed coatis. No association was found between seropositivity for brucellosis and gender or age. The results of this study suggest exposure to or infection of crab-eating fox and brown-nosed coati from the Brazilian Pantanal by Brucella spp. Key words: Brazil, Brucella, Pantanal, Cerdocyon thous, Nasua nasua, reservoirs, epidemiology. Um inquerito sorologico em quatis (Procyonidae: Nasua nasua) e lobinhos (Canidae: Cerdocyon thous) de vida livre foi conduzido na sub-regiao da Nhecolandia do Pantanal Sulmatogrossense para avaliar a presenca de anticorpos anti-Brucella (fenotipo liso). A pesquisa de anticorpos anti-Brucella foi realizada pelo teste do antigeno acidificado tamponado, utilizado como teste de triagem e pelo teste de polarizacao fluorescente, utilizado como teste confirmatorio. A frequencia de animais soropositivos para anticorpos anti-Brucella foi de 13,2% (5/38, IC 95%: 4,4%--28,1%) para lobinhos e de 8,8% (3/34, IC 95%: 1,9%--23,7%) para coatis. Nao foi encontrada associacao entre a soropositividade para brucelose e genero ou idade. Os resultados deste estudo sugerem exposicao a ou infeccao de lobinhos e quatis do Pantanal Brasileiro por Brucella spp. Palavras-chave: Brasil, Brucella, Pantanal, Cerdocyon thous, Nasua nasua, reservatorios, epidemiologia.
ISSN:0103-8478
DOI:10.1590/0103-8478cr20131167