*sighs*
It's not a mutation, it's a natural occurrence.
Some breeds have a higher chance of laying them, due to selective breeding.

The double-yolked eggs look a different shape to regular ones, so when you grade the eggs from a farm, the especially large double-yolked ones end up in the largest size grade.

If your wife had twins, would you assume that she'd been irradiated?
( Cawl, Thu 18 Jun 2009, 11:44, 1 reply, 16 years ago)

I was refering to the townsfolk in my little market town
I sure the chickens are lovely and not mutated at all.
( SpikeyPickle wishes he was mabazaritchie, Thu 18 Jun 2009, 11:49, Reply)

I was replying to
Sandettie Light Vessel Automatic.
Why do people get so confused by nested replies?
( Cawl, Thu 18 Jun 2009, 11:53, Reply)

I'm easily confused
and not paying attention (I should be working!)
( SpikeyPickle wishes he was mabazaritchie, Thu 18 Jun 2009, 11:55, Reply)