Article
Survey of Ehrlichia canis, Babesia spp. and Hepatozoon spp. in dogs from a semiarid region of Brazil
Pesquisa de Ehrlichia canis, Babesia spp. e Hepatozoon spp. em cães de uma região semiárida do Brasil
Registro en:
ROTONDANO, T. E. DE F. et al. Survey of Ehrlichia canis, Babesia spp. and Hepatozoon spp. in dogs from a semiarid region of Brazil. Revista Brasileira De Parasitologia Veterinaria = Brazilian Journal of Veterinary Parasitology: Orgao Oficial Do Colegio Brasileiro De Parasitologia Veterinaria, v. 24, n. 1, p. 52–58, mar. 2015.
1984-2961
10.1590/S1984-29612015011
Autor
Rotondano, Tereza Emmanuelle de Farias
Almeida, Herta Karyanne Araújo
Krawczak, Felipe da Silva
Santana, Vanessa Lira
Vidal, Ivana Fernandes
Labruna, Marcelo Bahia
de Azevedo, Sérgio Santos
Ade lmeida, Alzira Maria Paiva
de Melo, Marcia Almeida
Resumen
This study assessed the occurrence of Ehrlichia spp., Babesia spp. and Hepatozoon spp. infections in 100 tick-harboring dogs from a semiarid region of the State of Paraíba, Northeastern Brazil. Blood samples and ticks were collected from the animals, and a questionnaire was submitted to dog owners to obtain general data. Blood samples were used to perform hemogram, direct blood smear and immunological and molecular hemoparasite detection. The 1,151 ticks collected were identified as Rhipicephalus sanguineus; direct smears revealed E. canis-like morulae in the monocytes of 4% (4/100) of the non-vaccinated female dogs, and 34% and 25% of the dogs tested positive for Ehrlichia canis by indirect immunofluorescence assay (IFA) and polymerase chain reaction (PCR), respectively. Blood smear examination revealed Babesia-suggestive merozoites in the erythrocytes of 2% (2/100) of the animals. Babesia vogeli was detected by PCR in ten animals (10%) and was correlated with young age (p = 0.007) and thrombocytopenia (p = 0.01). None of the animals showed Hepatozoon spp. positivity. These results indicate that E. canis is the main tick-borne canine pathogen in the study area and provide the first report of B. vogeli infection in dogs from Paraiba State.
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