I can't get my doeling mini-manchas to eat a. pellets. I tried feeding it seperate and they completly ignored it. Then I tried mixing with their goat pellets. They picked through eating the goat pellets and ignoring the a. pellets. They get plenty of browse should I worry about them not eating the a. pellets? Should I force them to eat by not offering grain or goat pellets? The doelings are approx 4 months old.