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Peer-reviewed veterinary case report

Dog with microfilaria infection by Cercopithifilaria bainae in Brazil

By J.F. Tutija et al.·Published in Arquivo Brasileiro de Medicina Veterinária e Zootecnia·View original on DOAJ

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Original publication title: Microfilaremia by Cercopithifilaria bainae in a dog from the central western region of Brazil: case report

Species:
dog

Plain-English summary

An 8-year-old male dog was brought to the vet with symptoms like loss of appetite, fever, trouble walking, enlarged pupils, and a lump on his left testicle. Tests revealed he had a parasitic infection caused by a worm called Cercopithifilaria bainae, which is spread by ticks. The dog also had a concurrent infection from another organism, Ehrlichia. After identifying the parasites through blood tests, the vet could provide targeted treatment. This case highlights the importance of checking for tick-borne diseases in dogs showing these symptoms.

People also search for: dog anorexia fever trouble walking · dog testicle lump tick infection · dog parasites treatment

Abstract

ABSTRACT Cercopithifilaria bainae is a nematode belonging to the family Onchocercidae that parasitizes the subcutaneous tissue of dogs. Its transmission occurs through the tick Rhipicephalus sanguineus and its geographical distribution overlaps that of this vector. The present study reports the detection of microfilaremia by C. bainae in an eight-year-old male dog that presented anorexia, hyperthermia, motor incoordination, mydriasis, a nodule in the left testicle and concomitant infection by Ehrlichia sp. Blood samples were analyzed using microscopy, PCR and DNA sequencing. Microfilariae measuring 150±5.5μm in length and 7±1.8μm in width were retrieved. The DNA sequence exhibited 98% identity with C. bainae sequences available in Genbank. This is the first report of microfilaremia by C. bainae in a dog in the central western region of Brazil.

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Original publication on DOAJ: https://doi.org/10.1590/1678-4162-11177