mean chicks

We currently have four 4.5/5 week old chicks in the brooder. One is a lavender orpington, and we are 90% sure it's a rooster based on comb and waddle development. We cannot keep roosters in our area, so the plan was to rehome him in a few weeks once we are sure it's a rooster. But to add to the...

hi ll- very New at this... have a dozen 5 week old white leghorns that we "inherited". The chicks are pecking horribly at each other and 3 had to be removed due to the severity of it. Any ways to prevent this? Plenty of feed and clean water available, kids andninare handling them often...