Abstract

Brucellosis is an infectious, contagious, cosmopolitan disease that affects domestic and wild animals and humans, which is why it is considered a zoonose. Brucellosis has not yet been diagnosed in dogs in Piauí (Brazil). For this reason, a study was carried out with serum from animals of reproductive age in the municipality of Teresina, capital of the State of Piauí (Brazil) with serum from dogs from the routine care of the Veterinary Hospital of the Federal University of Piauí, as well as from private clinics in the said city. Blood was collected from all animals for serological tests to detect anti-Brucella canis antibodies. 591 serum samples from non-castrated animals between one and seven years of age were used, without distinction of sex or breed. The samples were submitted to the serological test of immunodiffusion in agar gel using antigen extracted from the cell wall of Brucella ovis. Among the selected dogs, 44 animals were positive for Brucella canis, which represents a frequency of 7.44%. Most dogs were asymptomatic. Among symptomatic patients, lymphadenopathy was the most frequent finding. It was concluded that Brucellosis is present in the canine population of Teresina, but it has not yet been correctly diagnosed by veterinarians, which puts public health at risk.

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