Answer: No, I've never heard of chickens especially liking moss rose! My only guess is that these are succulent plants with fleshy leaves which might contain a higher level of salt than the leaves of other plants. Or, maybe they taste like something your chicken really likes (do chickens even have taste buds??) I think I would replant and then make hoops out of chicken wire to set over the tops of the planters. Hope this helps!
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