The association between diet of periurban wild dogs and zoonotic pathogen carriage
Lana Harriott A B E , Matthew Gentle B , Rebecca Traub C , Ricardo J. Soares Magalhães A D and Rowland Cobbold A
+ Author Affiliations
- Author Affiliations
A School of Veterinary Science, University of Queensland, Gatton, Qld 4343, Australia.
B Pest Animal Research Centre, Biosecurity Queensland, Department of Agriculture and Fisheries, Toowoomba, Qld 4350, Australia.
C Faculty of Veterinary and Agricultural Science, University of Melbourne, Parkville, Vic. 3010, Australia.
D Child Health Research Centre, University of Queensland, South Brisbane, Qld 4101, Australia.
E Corresponding author. Email: lana.harriott@daf.qld.gov.au
Australian Mammalogy 41(2) 241-249 https://doi.org/10.1071/AM18042
Submitted: 15 October 2018 Accepted: 7 December 2018 Published: 25 January 2019
Abstract
Established wildlife populations in periurban environments provide an opportunity to spread zoonotic pathogens within human-associated environments. Characteristics of prevalent pathogens harboured by periurban wild dogs suggest that dietary preference could influence their infection status; however, data comparing diet composition and pathogen presence are rarely available. We analysed the stomach contents of 170 periurban wild dogs (Canis familiaris) for the occurrence and biomass of prey items, and then associated this with their known infection status of key zoonotic pathogens. The staple prey items detected were mammalian prey species, most commonly swamp wallabies (Wallabia bicolor) (20.6 ± 6.1%), canines (C. familiaris) (prey) (10.6 ± 4.6%), eastern grey kangaroos (Macropus giganteus) (10.0 ± 4.5%), and deer (various species) (10.0 ± 4.5%). Unidentified bird species (10.0 ± 4.5%) were also common. Wild dogs that were positive for Echinococcus granulosus were significantly more likely to have consumed swamp wallabies. These findings demonstrate the importance of managing both the definitive and intermediate stages of E. granulosus, and suggest that diet correlates with pathogen presence in some cases. This information may assist the development of specific strategies to manage zoonotic pathogens of wild dogs, which are currently lacking.
Additional keywords: dingoes, ecology, parasites, predator, public health.
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