I put the young ones together - after a week or so, and they've done fine. I waited until the chicks were 18 weeks and tried putting everyone together. That got ugly... Went out there one morning and all the "chicks" were out of the coop and on roosts around it. The two older hens were...
I have two hens that are a little over 6 months, a Barred Rock and a Rhode Island Red. Then I got more chicks this week. Twice. Tuesday, I got four week-old Production Reds. Then Thursday, I picked up six Ameraucanas. They have been sexed.
I know about quarantining them from the older...