The egg detective is IN! In trying to investigate which ducks are laying I've come to wonder if one of my non performing swedes is finally paying rent. How often and what color do swedes lay? I'm getting a very large white egg about once a week (4 days-6 days), Brighter white than the campbell eggs I get every day. I've also got layer hybrids (much younger though) and a buff, but the buff's feet are bright orange.. Im pretty sure she's not laying anything.