It is a personal choice. I just mix the rolled oats as is, but some people do grind them up. I have found that there is less waste if they are not ground. Watch your ducks, if they seem to struggle with the rolled oats, consider grinding them. Otherwise, just make sure they have plenty of water...
20% Protein Flock Raiser I feed straigt for 2 weeks. 3 weeks on I am feeding Flock Raiser mixed with Rolled Oats. The ratio I feed is 5 Parts Flock Raiser; 2 Parts Rolled Oats for 17.5% Protein. :) Don't feel bad, I was driving myself nuts trying to do the right things! This is the link that has...
I am raising mine on Flock Raiser because I only had that or chick starter available. I do add niacin to the water as a precaution, but I have to say that I (and many others on the forums) are very happy with the results. The only waterfowl feed I could find was 28% Protein and extremely...