Here is the link to Porter's guide to hatching turkey eggs.
Since turkey eggs take 28 days to hatch, I add chicken eggs 7 days after I start the turkey eggs.
I do brood chicks, guinea keets and turkey poults together. Because the keets and poults need a higher percentage of protein in their feed I feed all of the babies in the brooder a 28% protein turkey/game bird starter while they are in the brooder. I have never seen any harmful effects from the high protein feed on the chicks.
Porter's guide to starting poults.