We are getting 9 ladies shipped on 3-25. More than likely, Ideal will add some roos to the box to keep the girls warm. We weren't planning on any roosters but might decide to keep 1 or 2 to have some chicks down the road. The question is, when a roo breeds a hen, how long will she lay fertilized eggs? Is it a one-shot deal, or does she store his seed for a while and use it to keep fertilizing her eggs for a while? I'm guessing there's no cut-and-dried answer, but we were hoping someone could say "Wait 3 months after mating date and the eggs shouldn't be fertilized. My GF had a bad experience with a sunny side up egg as a kid (little chick forming in the egg) and now she can only eat 'em scrambled. Is there a cutoff point when one can say there's 99% chance the eggs aren't fertilized (or have the roo's "seed" in the egg?