I am going through my first winter as a chicken owner and recently lost a chicken, getting me down to 5 hens. We'd like to replace her with one or two more hens. My daughter's science class will be incubating chicks soon, and they offer the chicks to farmers or chicken owners after a few weeks. My question is, is it safe to have just one or 2 chicks in a brooder? And how would I integrate them into the flock?