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Badgers prefer cattle pasture but avoid cattle: implications for bovine tuberculosis control
Authors:Rosie Woodroffe  Christl A. Donnelly  Cally Ham  Seth Y. B. Jackson  Kelly Moyes  Kayna Chapman  Naomi G. Stratton  Samantha J. Cartwright
Affiliation:1. Institute of Zoology, Zoological Society of London, London, UK;2. Department of Infectious Disease Epidemiology, MRC Centre for Outbreak Analysis and Modelling, Imperial College London, London, W2 1PG, UK
Abstract:Effective management of infectious disease relies upon understanding mechanisms of pathogen transmission. In particular, while models of disease dynamics usually assume transmission through direct contact, transmission through environmental contamination can cause different dynamics. We used Global Positioning System (GPS) collars and proximity‐sensing contact‐collars to explore opportunities for transmission of Mycobacterium bovis [causal agent of bovine tuberculosis] between cattle and badgers (Meles meles). Cattle pasture was badgers’ most preferred habitat. Nevertheless, although collared cattle spent 2914 collar‐nights in the home ranges of contact‐collared badgers, and 5380 collar‐nights in the home ranges of GPS‐collared badgers, we detected no direct contacts between the two species. Simultaneous GPS‐tracking revealed that badgers preferred land > 50 m from cattle. Very infrequent direct contact indicates that badger‐to‐cattle and cattle‐to‐badger M. bovis transmission may typically occur through contamination of the two species’ shared environment. This information should help to inform tuberculosis control by guiding both modelling and farm management.
Keywords:Badger  cattle  disease ecology  farm ecology     Meles meles        Mycobacterium bovis     pathogen  tuberculosis  wildlife disease  wildlife health
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