Question;
If I put a hen in with a roo and the hen has already been fertilized recently by a different roo, will the new Roos sperm override the other?
Confusing. I have my easter eggers together now But would like some olive eggers. So I want to put them in with my Marans roo. Should I just wait the 3 weeks to be sure?
No, that is an Urban Legend LOL. Wait three weeks--It takes that long for the older sperm to die. Until it dies, it is survival of the fittest inside the hen....to see which roosters sperm gets there to fertilize the egg.
First in First out is a silly idea.