Ok...well im hatching chickens and quail....have a few questions so please help me answer them! Thank you!?

well for all chickens it takes only 21 days to hatch then they have fuzz for about a week before they start getting feathers...then when there about 2 months there fuzz should be completely gone but they should be don't growing at about 4 months or less, and i know that chickens wont lay eggs until there about 6 months old and that you cant have two rooster in the same cage because they'll kill each other...i don't know anything about quails sorry