Culling badgers spreads TB

Scientists at the University of Exeter have studied badgers to see how their social interaction may spread bovine TB. They found that TB-infected badgers tended to be shunned within their social groups and were more isolated than uninfected badgers. This confines the disease. However, culling disrupts this stability, and infected badgers disperse, spreading the disease further. The study found that vaccination did not cause this ‘perturbation’ effect.
Read more in the Belfast Telegraph