| survey of canine tick-borne diseases in lábrea, brazilian amazon: 'accidental' findings of dirofilaria immitis infection. | blood samples were collected from 99 domestic dogs from the urban and rural areas of the lábrea municipality, state of amazonas, brazil. canine serum samples were tested by immunofluorescence assay against rickettsia spp., which revealed that only 3.0% (1/33) and 7.6% (5/66) of the dogs from urban and rural areas, respectively, reacted positively to at least one rickettsia species. dna was extracted from canine blood and tested by a battery of pcr assays targeting protozoa of the genera babesia ... | 2017 | 25517525 |