I have some chickens (Deleware's and Speckled Sussex) under 1 year old. I have recently had what I think is a cornish cross (from pics found on BYC and behaviour/growth rate) and two other chicks literally dropped off with me. I think they are all between 2-3 weeks old and I have no idea how to care for the Cornish...it is getting so big so fast, has to sit down alot and eats a lot. Please excuse my ignorance, but is there a way to manage the weight gain and keep him/her like my other chickens, or is this impossible with a Cx meat bird? The other chicks are much smaller, one is a Bantam (silkie or something- can't post pics for some reason)on the thread for breed ID). Do I need to separate them? THANK YOU.