I like to keep poultry nutri-drench on hand at all times. I use it for a quick boost for all my poults/hatchlings for first day or so, and very good for any bird that's off or sickly to give them a quick boost. I also use Avian Super Pack international for a source of vitamins and electrolytes...
As @R2elk forewarned turkeys are in my opinion and experience much more personable/sociable than chickens making them very easy to get attached to. But as he stated best not to let them imprint on you as poults it only causes unneeded problems. They are easily won over later on without the...