Wolves contribute to disease control in a multi-host system

Eleanor Tanner, Andrew White, Pelayo Acevedo, Ana Balseiro, Jaime Marcos, Christian Gortázar

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We combine model results with field data for a system of wolves (Canis lupus) that prey on wild boar (Sus scrofa), a wildlife reservoir of tuberculosis, to examine how predation may contribute to disease control in multi-host systems. Results show that predation can lead to a marked reduction in the prevalence of infection without leading to a reduction in host population density since mortality due to predation can be compensated by a reduction in disease induced mortality. A key finding therefore is that a population that harbours a virulent infection can be regulated at a similar density by disease at high prevalence or by predation at low prevalence. Predators may therefore provide a key ecosystem service which should be recognised when considering human-carnivore conflicts and the conservation and re-establishment of carnivore populations.
Original languageEnglish
Article number7940
JournalScientific Reports
Publication statusPublished - 28 May 2019

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    Tanner, E., White, A., Acevedo, P., Balseiro, A., Marcos, J., & Gortázar, C. (2019). Wolves contribute to disease control in a multi-host system. Scientific Reports, 9, [7940]. https://doi.org/10.1038/s41598-019-44148-9