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Prevalence and risk factors for leptospirosis and brucellosis in the canine population of the Tourist Resort of Ibiúna, State of São Paulo, Brazil

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posted on 2018-12-26, 05:10 authored by Roberta Mascolli, Francisco Rafael Martins Soto, Fernanda Bernardi, Fumio Honma Ito, Sônia Regina Pinheiro, Aline Gil Alves Guilloux, Sérgio Santos de Azevedo, Annielle Regina da Fonseca Fernandes, Lara Borges Keid, Zenaide Maria de Morais, Gisele de Oliveira Souza, Silvio Arruda Vasconcellos

ABSTRACT: The aim of this survey was to determine the prevalence of leptospirosis and brucellosis due to Brucella canis and to determine the risk factors associated with positivity in dogs of the Tourist Resort of Ibiúna, State of São Paulo, Brazil. A total of 570 blood samples were collected from dogs from 4 regions of 48 districts of the county of Ibiúna during the period of September 2007 to March 2008. Serological diagnosis of leptospirosis was performed with the microscopic agglutination test (MAT), and blood culture was used for the diagnosis of brucellosis. Of the 570 dogs used 187 (32.8%; 95%CI 28.9 - 36.8) were seropositive to leptospirosis, with predominance of reactions to serovars Pyrogenes, Autumnalis and Canicola, and 6 (1.05%; 95%CI 0.4 - 2.2) were positive to brucellosis. Variable sexual activity (OR = 1.73) was identified as risk factor associated with the positivity to leptospirosis, and free access to street was considered risk factor for both leptospirosis (OR = 1.96) and brucellosis (OR = 10.85). It is concluded that leptospirosis and brucellosis are present in dogs of the Tourist Resort of Ibiúna, State of São Paulo, and sexual activity and free access to street are conditions associated with the prevalence of infections.

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