- Mar 17, 2008
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What are the odds of a double yolk egg? I imagine it's similar to twins in other species, but the reason I ask is because of the 6 hens we have, we get a huge double yolk egg nearly every other day. They just started laying just over a month ago, and they pretty much free range all over our back yard and garden, with 20% laying feed as a supplement (although they don't eat much of it).