Sounds like a very interesting project, but I'm sorry the outcomes aren't better for you. Keeping all the roosters separate would have been a pain.This was the second batch from different genetics. Our first round was a nightmare. The roosters fought so bad they all ended up needing to be separated till processing. That was a lot of individual areas to maintain. This batch was chicks we ordered online from a breeder and they didn't fight like the first batch (from someone more local) but they sure didn't grow well. Have not seen anything impressive out of either batch. Have some hens and a rooster held back to give it one more try from the best of what we have here. Time will tell but so far not impressed.
If the next try doesn't go well, will you keep some hens for laying?