+14 Will Cows Eat Hemp References. “it’s in dog food, in horse food, in cattle feed. The fiber supplement is required for the contraction of the rumen to stimulate and improve digestion.

Hemp is an alternative to straw and in addition to the bulk grass or corn that the cows eat. Hemp was legalized in a stepwise fashion, and over the last decade, some farmers have fed their cows and other livestock with hemp feed. That’s attractive for beef cattle.