My son found a chicken on an ice rink and brought it home because it was too cold to move. we did our research and made it a spacious home in our garage with a nesting box,roost,and heater. we are feeding her egg layers crumble, some cracked corn, she also has grit to eat. We have had her for 2 weeks now and she has yet to lay an egg. Does anyone know why she is not laying? She is bantum chicken (about 3 lbs) very friendly but wont lay...help! ps: we are in the process of building an outdoor coop with a run it should be finished this weekend!