If I'm figuring correctly, with 25ft alleys on a 100 acre restoration ag farm, fencing on both sides of the tree line to keep animals from eating the trees would require over 60 miles of permanent fencing. I can't imagine being able to afford this, so I assume you use mobile electric fencing. What brand do you favor?
Jeesh... I don't even know what brand my fencing is!... I think it's Granburg? It may not be the best kind, but it's what the local Farm & fleet sells! you don't need all 60 Acres... Get your perimiters set really well with permanent fence... Then move your paddocks in the alleys between rows of trees. You only need 2 days worth of polywire... The animals are in "todays" fence, then you set tomorrows... Tomorrow morning move them into the fence you set up yesterday, remove "yesterdays" fence and set it up for the next tomorrow... (I think I got too many tomorrows or yesterdays in there somewhere :0) )
Eventually an ideal is to have a "hard fence" (permanent) on one side of your row of trees. Your temporary fence then goes on the other side of the trees for today and tomorrow... OY!... This is too visual to describe with words!
I am still using my first 4000ft roll of portable electric fence... Bought it 17years ago.... Each year I buy another... We're hoping to be "Fenced" eventually!