feeding ducklings

I have two five-week-old, two four-week-old, and two three-week-old ducklings and this is my first time raising ducks. I have been brooding them in a 3ftx8ft covered brooder box. During the day they have free range of the backyard and if I have to go someplace I pen them in a 4ftx4ft covered...

O.K., I will try to keep this short and sweet, but do need to give some background. One week ago we picked up ducklings from a farm as part of a "rent-a-duck" program. You take the ducks home for 2 weeks and return them to the farm where, we have been told, they keep them forever. The ducks...