Hi Everyone, So I had to get a new coop as I was not expecting "Chicken Math". So I went out and bought a bigger coop. I put my five small newer chickens in he old coop and the 7 older 18 week old chickens in the bigger coop until the others are big enough to integrate with the older girls and al be in the big coop. My 18 month old girls were less than excited to go in and even started thrashing about inside. Should I leave them cooped up for some time so that they will go back to this coop on there own? Will they always try to get to the other coop instead? They are right next to each other and unfortunately the new one doesn't have a run yet. The older one will not be open so i'm not worried that they will be able to get in. Just don't want to chase chickens around every night trying to get them in the coop. How long should I keep them in the coop before letting them out?