Here's the kind of chomping I'm dealing with:
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Here's my current setup (though the plants aren't full grown in this picture, and the berry bushes are still in their pots... this is from a couple years ago but is the best picture I have of the whole setup):
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I thought rabbits were the main culprits, and maybe they can't get in (the fencing is 3 feet tall) but I realize that this setup is a piece of cake for raccoons and squirrels to conquer....
This is what they look like when they're almost full grown - very dense and impractical to cage individually:
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