I have a small flock of RIR's. All hens. At this time I cant have a rooster. (my old lady says if she hears crowing were having chicken for supper) However, at some point I would like to let one or two of my finest hens breed so as to pass on their desirable traits to my next batch of egg makers. I know that I need, or more accuratly my hens need, the services of a rooster to make that possible. My question is this, can I find someone with a RIR rooster, take my hens over and just leave them with the roo for a day or two. I've read that hens can lay fertilized eggs for up to 20 days after copulation. is that true? if so wow. Or when I drop this strange outsider chicken in with this sperm donor will he just attack her? probably depends lots on the rooster and his attitude. any help welcome.