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Because biological systems are complex, management interventions occasionally have unintended adverse consequences. For example, attempts to control bovine tuberculosis (TB) by culling badgers Meles meles have, under some circumstances, inadvertently increased cattle TB risks. Such harmful effects occur because culling profoundly alters badger movement behaviour, increasing pathogen transmission both between badgers and from badgers to cattle. It has recently been suggested that another TB management tool, badger vaccination with Bacillus Calmette Guerin, might provoke similar behavioural changes and hence similar harmful effects for cattle. We therefore took advantage of an existing project, which monitored 54 GPS-collared badgers across four study sites in southwest Britain, to explore whether vaccination, or live trapping to administer vaccine, influenced badger movement behaviour. We detected no significant effects of either vaccination or trapping on badgers’ monthly home range size, nightly distance travelled, or frequency of trespassing in neighbouring territories. The estimated effect of vaccination on badger home range size [2% reduction, 95% confidence interval (CI) 18% reduction – 17% increase] was statistically non-significant, but significantly smaller than that associated with both widespread (180% increase, 95% CI 70–362% increase; P 

Original publication

DOI

10.1111/1365-2664.12837

Type

Journal article

Journal

Journal of Applied Ecology

Publication Date

01/06/2017

Volume

54

Pages

718 - 725