Even the farmer didn't know the benefits of this simple feed, having grown them for commercial use for many years. This is an old practice that has been lost through the years, but it cements the necessity of planting them not only for ourselves, but the animals too.
A medicine or substance that destroys or expels worms from animal bodies; an anthelmintic.
American Dictionary of the English Language By Noah Webster 1828
Surely the mountains bring him forth food, where all the beasts of the field play. Job 40:20