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Ciência Rural

Print version ISSN 0103-8478On-line version ISSN 1678-4596


O'DWYER, Lucia Helena et al. Seroprevalence of Borrelia burgdorferi latu sensu associated with dog ticks in rural areas of the Rio de Janeiro State, Brazil. Cienc. Rural [online]. 2004, vol.34, n.1, pp.201-205. ISSN 0103-8478.

The prevalence of antibodies against Borrelia burgdorferi latu sensu was investigated in dogs from rural areas of seven towns of the Rio de Janeiro State, Brazil, using an indirect enzyme-linked immunosorbent assay. All dogs were also examined for the presence of ticks. From the 199 dogs, 15.58% were seropositive, with titers that ranged from 400 (13.57%) to 1600 (0.5%). The positive cases were equally distributed among the seven studied towns. No differences (P > 0.05) were found among the age groups of over six months old. Ticks were found and collected from 71 (35.68%) dogs. From this total, 24.12% were infested with Amblyomma cajennense, 13.6% with Rhipicephalus sanguineus, 2.5% with Amblyomma aureolatum and 1.5% with Amblyomma ovale. Amblyomma cajennense was found in 38.7% and R. sanguineus in 22.6% of the dogs with B. burgdorferi antibodies, although no positive correlation between the ticks parasitism and positive serology was found.

Keywords : Borrelia burgdorferi; dogs; ticks; Amblyomma sp.; Rhipicephalus sanguineus.

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