So I was curious as to whether my eggs where fertile. I butchered my barred rock roo well before my girl started laying. She's been laying for a week, the eggs are in the fridge, and there is a frizzle banty roo and a few cockerels (20-24 weeks old) . So I cracked an egg and got one with a bulls eye like the one in the picts in the sticky. The homemade incubator is at school, I'm going to bring it home tomorrow. Now the eggs are in the fridge, can't use those anymore? How long can eggs be in the fridge before they won't be viable anymore? I wish I knew which ones were which. Next I want to incubate at least three, but she's only laying 4 a week and she might not lay three in the next three days. How long can I keep these eggs (and at what temp), so I can at least have 3 or 4 in at once?