Their brooder is two plastic totes (30 gallons each I think..) connected by a tunnel. So each is just a little under 6sqft, which gives each of them at least about 2 sqft. They seem like they have plenty of room, but they all huddle in one corner and then peck each other.
In one of the buckets...
I have 5 Barred Rock chicks in the brooder right now. They are all about 1.5 weeks old (almost 2). There is 2 of them that don't peck anyone else at all, but the other 3 keep pecking everyone's feathers growing in, specifically on the two that don't peck. Especially one, Chickadee, who also...
I think they would be fine if you took the plates out now. Usually people say the temperature should be lowered to more like 70°F at about 5-6 weeks old, and then weaned completely from heat at 6 weeks. Since your average temperature is about that, even a little warmer, they'll be fine.
If you...