Microfilaruria by in a dog: a rare clinical pathological finding.

A 6-year-old Labrador with history of hyperpnea, respiratory distress, ascites and paraparesis, presented microfilariae in the blood smear, cytology of the abdominal fluid and urine. The positive samples were confirmed by multiplex-PCR (COI gene) and sequencing, and presented 98% homology to (GenBank accession nos. KC107805.