Seroepidemiology of leptospirosis in pet dogs in the urban area of the municipality of Jataizinho, Paraná
DOI:
https://doi.org/10.5433/1679-0359.2012v33n6Supl2p3201Palavras-chave:
Epidemiology, Microscopic agglutination, Leptospira spp., Serovar canicola, Diagnosis, Risk variables.Resumo
The study of the prevalence of anti-leptospiral antibodies in pet dogs in urban areas and the variables associated with the risk of infection can aid in the identification of the serovars present in the region and indicated the reservoirs involved in this important zoonosis. The aim of the present study was to determine the prevalence of anti-leptospiral antibodies in 653 dogs from 369 households distributed throughout the urban area of the municipality of Jataizinho, Paraná (PR), and to investigate the variables associated with the risk of leptospiral infection in these animals. Serum samples were subjected to microscopic agglutination tests (MATs) against 23 serovars of pathogenic leptospires. Among the 132 (20.21%) reactive samples, 15 (11.36%) were reactive for more than one serovar, and the most likely serovar could not be determined. Among the 117 (88.73%) samples that reacted to a single serovar, the serovar Canicola was considered to be the most likely in 89 cases (76.07%). Variables associated with the risk of disease were investigated using an epidemiological questionnaire administered to each owner, and the data obtained were analyzed using the statistical software EpiInfo. The significant variables (p ? 0.05) associated with seropositivity for leptospirosis in pet dogs in the urban area of the municipality of Jataizinho, PR, were the presence of rats in the household, adult or elderly dogs, free access of the dog to the street and contact with stray dogs. The results indicate a high prevalence of pet dogs in the urban area of Jataizinho, PR, with anti-leptospiral antibodies and suggest the need to educate the population of the municipality about the vaccination of dogs, as well as, the epidemiological role of the dog in urban leptospirosis.
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