i have been reading all the questions on feeding chicks and pulletts and when to change to a different feed from starter and my brain is ozzing out of my ears...............I have a few questions.......... some of you guys say just keep with the starter until they lay and switch to layer mash type food........it is neccessary to mix oats with that and oyster shells?????? I have chicks coming tomorrow or Wed. I have chicken crumbles or starter to give them do I have to give them chick grit some say no some say yes which is it or do I wait awhile????????? My pullets are 10 weeks old they are still eating the med. feed we got when we bought them 5 weeks ago and they have grit mixed in with their food is that the right thing to do?????????? help my brain stop oozzing!!!!!!!!!