Our Homemade incubator hatched 2 chicks and they seem fine at 3 weeks old. I am going to partition a part of my Run for them to keep them seperated from my other chickens when they get 6 weeks old. couple questions. I didn't vaccinate them against Mereks, can this endanger my other chickens or is it just a threat to them? When I add them to the run can I just feed them regular feed or do I need to continue to feed them starter feed?