I have 50 new chicks that I plan on introducing to 30 hens and one roo. I am going to wait until dark and shut the light off and put in the teenagers and see if the old girls can handle little ones. The little ones are 3 weeks from going on layer feed so I think that they should be able to take care of themselves or run. I will get up first thing in the morning and keep an eye on them. Is this the only good way to do this?