My 1+ year old Rouen duck Ella has been laying eggs for awhile. Lately, say in the last month, she has been laying soft eggs at least 2-3 times a week. She lays an egg every day. I have her and her mate on Flock Raiser, and she gets some free choice oyster shells to supplement her feed. I put oyster shells directly in the feed for my chickens, but I don't want to do this for the ducks b/c I suspect excess calcium isn't good for my drake. What can I do to supplement Ella's calcium intake? They are very picky ducks and won't eat yogurt or cottage cheese.
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7/16/12 at 10:45am