I have about 33 birds in a large pen and there is a 10 x 12 room the birds can go into in bad weather or when they want to. I have a separate nesting box. 11 of the birds are pullets, not ready to lay yet. There is plenty of outside space for them to romp and play. Up until recently we were getting 12-14 eggs, production has dropped off to 8. We recently removed a rooster from our flock because he had an attitude problem. Ever since then our egg production has dropped and my blue eggs have disappeared. We believe he was an Easter egg rooster. There are two other roosters and one of the pullets just started crowing. I am pretty sure the shorter days has affected production (I do have a light in the room) but would the removal of the rooster also do it? Could his ladies be in mourning, some still sleep outside (even in cold and rain) where his perch was?