In April I bought 13 chicks; 6 of them ended up to be roosters. They are now about 18 weeks old. I have noticed for a couple of weeks the roosters are constantly fighting (of course) but they are not letting the hens come out of the coop to come outside. They are so frighten they don't even leave the top of the roost. When I go and clean on top and shew them down the roosters come in and force them back up on the roost; they won't eat or drink. I know I need to get rid of 5 of them but aren't they too young for the stew pot? Advise please. Thank you