Some food for thought, when you run into the anti-hunters.

Because only hunting seems to clearly reduce wild boar damage, we suggest more emphasis be put on the development and introduction of new harvest models among local hunting teams.

Journal of Wildlife Management 68(4):939-946. 2004
doi: 10.2193/0022-541X(2004)068[0939:EOHFAF]2.0.CO;2

EFFICACY OF HUNTING, FEEDING, AND FENCING TO REDUCE CROP DAMAGE BY WILD BOARS
HANNES GEISSER1a and HEINZ-ULRICH REYER2b
http://www.bioone.org/doi/abs/10.2193/0022-541X(2004)068%5B0939:EOHFAF%5D2.0.CO%3B2