The feed I had custom rolled a week or so ago isn't working out like I planned and I am not impressed. So I am trying another feed mill locally that can grind instead of roll. My question is this. I am using the complete breeder ration feed recipe from Holderreads book on ducks(page 287) but we are also adding some livestock molasses as a binder. Will the extra calcium in the ration hurt the younger ducks and the drakes? I would like to use one feed if I can. I am trying to keep it as simple as possible with only 1 type of feed. The ducks range in age from 7 months to about 7 weeks of age.