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No they are panels. No issues with escape ever.

Ok, that sound great. I always read you can not keep goats contained in a space, as they would always escape. Yet electric fencing would be the best choice to minimize escapes.. Seems like a high fence is enough.
Do you move them around in a kind of mob-grazing pattern? And how do you provide them brush as they have a diet high in browsing higher greens and woody parts..
I have to admid, that I am new to all kinds of actually doing things, but lots of theory saved in my brain..