Dingoes (Canis dingo Meyer, 1793) continue to be an important reservoir host of Dirofilaria immitis in low density housing areas in Australia

Veterinary Parasitology
Felicity A SmoutBradley C Congdon

Abstract

Heartworm (Dirofilaria immitis) is a parasitic nematode responsible for canine and feline cardiopulmonary dirofilariasis and human zoonotic filariosis in both tropical and temperate regions throughout the world. Importantly, this study in the Wet Tropics of Far North Queensland found D. immitis remains at high prevalence (72.7%) in wild dingoes in low density housing areas in Australia. This prevalence is equivalent to the highest levels seen in wild dogs in Australia and represents an ongoing risk to domestic dogs, cats and humans. In contrast, in higher density residential areas prevalence was significantly lower (16.7%, p=0.001). It is possible that chemotherapeutic heartworm (HW) prevention in domestic dogs in these higher density housing areas is helping to control infection in the resident dingo population. Five dingoes killed in council control operations around Atherton, a non-endemic HW region in the Wet Tropics, were all negative for HW likely due to the colder climate of the region restricting transmission of the disease. This survey highlights the importance of dingoes as reservoir hosts of HW disease and that the subsequent risk of infection to companion animals and humans depends on local factors such as housing d...Continue Reading

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Citations

Oct 9, 2016·Parasites & Vectors·Chloe NguyenJan Šlapeta
Jun 1, 2018·Veterinary Medicine and Science·Mustapha DahmaniOleg Mediannikov
Jun 24, 2017·BioMed Research International·Fernando SimónVladimir Kartashev
Oct 10, 2018·Tropical Medicine and Infectious Disease·Felicity A SmoutBradley C Congdon
Sep 24, 2020·Parasites & Vectors·Barbara MoroniPaolo Tizzani
May 29, 2019·Australian Veterinary Journal·E J DearsleyCgb Caraguel
Jan 8, 2021·Parasitology Research·Danielle BeardJulie M Old
Oct 9, 2021·Parasites & Vectors·Boni F SebayangThomas R Burkot

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