Hi! We got 8 baby chicks recently. They're 2 weeks old now. One died and we're questioning the breeds we got, so my question: Would it be a bad idea to bring in one or two more day-olds to the two-week flock? (Some of the two-weeks are very small, like as small as they were at one day. Others are huge. The huge ones don't pick on the tiny ones, though.) Thanks!