Culling badgers in order to control bovine tuberculosis (bTB) can cause a doubling in fox numbers, UK government scientists have found.This could impact on livestock farming and conservation, the authors write in Biology Letters journal.
The researchers looked at effects on foxes during the badger culling trials in England between 1998 and 2006.
Their figures show that intensive culling of badgers resulted in roughly one extra fox per square kilometre.
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