what is the youngest age a hen can have babies? My hen is about 23 weeks old or more and she finally laid an egg five days after we got rid of the rooster. I cracked open the first egg and it appeared to be fertilized, so I put two in the bator. I told my husband she was too young and the eggs were too little, but he wanted me to try. I have heard the hens store semen for about three weeks, is this right? But I also heard she is too young. I guess we will try anyways, we only kept the rooster as long as we did so we could get some chicks, but he got annoying considering we live in the suburbs. Any advice?