I set some turkey eggs 28 days ago. On day 8 I set some chicken eggs. I had one chicken egg hatch on Monday morning....some yesterday and one today. I see no other pips in the 'bator. I see no pips in any of the turkey eggs and none of them have hatched. I have not opened the incubator at all. How long should I leave the chicks in the 'bator to give the other eggs a chance or should I just pull them out now and feed them??