posted 11 years ago
Let me first say that I don't have ducks.
But, my experience with chickens, turkeys, cows, pigs, and sheep is that they will forage, but a heritage breed is going to be better at it than a factory farm breed. I don't know if there is a duck breed like that.
If you have things available for them to forage, they'll do it.
My project thread
Agriculture collects solar energy two-dimensionally; but silviculture collects it three dimensionally.