Make the edges inaccessible. The edges should occur at the corners of the cage or otherwise in a manner not compatible with injury, like horizontally overlapping so that they can't get a grip on it. Otherwise, the edges should meet on a frame, with the frame being internal and the joints of the walls external.
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NMGA miniature meat goats, Silver Fox and NZW Rabbits, Muscovy ducks, several breeds of chickens, fancy mice and rats in Michigan