Livestock aren’t an efficient use of land in the first place, and you can absolutely graze around turbines, at least according to this: www.windenergy.org.nz/…/how-to-host-a-windfarm
It appears there are even advantages to crop farming under turbines: agupdate.com/…/article_bb057e6c-e58b-5990-b4d5-62…
Obviously can’t do any aerial crop dusting around turbines.