Badgers carry TB - fact
Badgers transmit TB to cattle - fact
If the number of badgers increase (which it is, as they have no natural predator), then TB will be transmitted to more cattle - logical conclusion.
TEN YEARS a panel studied to see if that conclusion was in fact logical. They found it wasn't that simple, and that the cull wouldn't help.
How foolish they are, if you can prove otherwise in three sentences.