Ive kept my 5 week old chicks on non medicated starter(as I was directed) and they seem great..although they ahve been inside as of yesterday. A lady told me that I NEED medicated starter until they are 4-5 months old or they could get some disease that starts with a "C"..now Im all freaked out and dont want them to die! But everyone told me to not use medicated starter! Am I supposed to be giving them shots or somthing instead? What do I do now? Please help!