A meaty topic.

Stewart also reports that same horse was able to finish off a leg of mutton in a matter of minutes, and "roasted meat was his favourite dish." FEATURES In my 33 years as an equine nutritionist, I've fielded a wide variety of questions about what horses can and should eat. A practical manual for horse-keepers", George Martin mentions that horses in Iceland and some of the Shetland Islands were sustained on dried fish in light of sparse other feedstuffs during the winter. Extracted from the article