Abstract
Since dogs presenting several vector borne diseases can show none or nonspecific clinical signs depending on the phase of infection, the assessment of the particular agents involved is mandatory. The present study aimed to investigate the presence of Babesia spp., Ehrlichia spp., Anaplasma spp., Hepatozoon spp. and Leishmania spp. in blood samples and ticks, collected from two dogs from Rio Grande do Norte showing suggestive tick-borne disease by using molecular techniques. DNA of E. canis, H. canis and L. infantum were detected in blood samples and R. sanguineus ticks collected from dogs. Among all samples analyzed, two showed the presence of multiple infections with E. canis, H. canis and L. infantum chagasi. Here we highlighted the need for molecular differential diagnosis in dogs showing nonspecific clinical signs.
Highlights
Ticks are important vectors of pathogens that may affect both animals and humans, causing morbidity and mortality in infected hosts (PAROLA; RAOULT, 2001)
The present study aimed to investigate the presence of Babesia spp., Ehrlichia spp., Anaplasma spp., Hepatozoon spp. and Leishmania spp. in blood samples and ticks, collected from two dogs from Rio Grande do Norte showing suggestive tick-borne disease by using molecular techniques
DNA of E. canis, H. canis and L. infantum were detected in blood samples and R. sanguineus ticks collected from dogs
Summary
Ticks are important vectors of pathogens that may affect both animals and humans, causing morbidity and mortality in infected hosts (PAROLA; RAOULT, 2001). Dogs and humans are susceptible to infection by tick-borne agents, which include bacteria, protozoa and viruses. Among tick-borne diseases affecting dogs, canine monocytic ehrlichiosis (CME) is the most widespread illness reported in Brazil (VIEIRA et al, 2011). It is caused by Ehrlichia canis, an agent belonging to Anaplasmataceae that mainly parasitizes monocytes and is transmitted by Rhipicephalus sanguineus (DUMLER et al, 2001). R. sanguineus is a potential vector for A. platys (INOKUMA et al, 2000), the tick species involved in transmission of A. phagocytophilum in Brazil is still unknown
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