I've cooked a couple of wild boar shoulders bePhore.
I just cooked the shoulders US style...rubbed and smoked it,pulled when ready.
Cook it very slow.
If it's too gamey to your taste try the diPherent (milk) approach.
All fueled by Ecobrasa
Dutch BBQ Champion 2011 - 2012*
Dutch BBQ Champion 2013 Low 'n Slow