Prevalence and risk factors to Leptospira sp. infection in dogs attended at veterinary clinics in João Pessoa, Paraíba State, Northeastern Brazil

Arthur Willian de Lima Brasil; Diego Figueiredo da Costa; Carla Lauise Rodrigues Menezes Pimenta; Roberta Nunes Parentoni; Clebert José Alves; Carolina de Sousa Américo Batista Santos; Sérgio Santos de Azevedo

Prevalence and risk factors to Leptospira sp. infection in dogs attended at veterinary clinics in João Pessoa, Paraíba State, Northeastern Brazil

2018

The aim of this study was to determine the prevalence and risk factors associated with Leptospira sp. in dogs attended at veterinary clinics in the city of João Pessoa, State of Paraíba, Northeast Brazil. A total of 384 blood samples from dogs from 34 veterinary clinics were used from April 2015 to May 2016. The diagnosis of Leptospira sp. was carried out through Microscopic Agglutination Test (MAT), using a collection of 20 pathogenic antigens and adopting a 1: 100 dilution as cutoff point. An epidemiological questionnaire was applied to the owners of the animals to obtain data to be used in the analysis of risk factors. The prevalence of seropositive animals was 11.7% (45/384), with reactions for serogroups Icterohaemorrhagiae (62.3%), Grippotyphosa (22.2%), Canicola (13.3%), Djasiman 2%) and Pomona (2.2%). The following risk factors were identified: age from 49 to 72 months (odds ratio = 2.74), Age > 72 months (odds ratio = 3.22), and monthly cleaning of the environment where the animals are kept (odds ratio = 10,70). It is concluded that dogs attended at veterinary clinics in João Pessoa are exposed to infection by Leptospira sp., with predominance of serogroups kept by wild animals, and it is suggested that the periodic cleaning of the environment where the animals are kept.

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