Your turkey poults have different feed needs than chickens. They need a higher protein, methionine, lysine % that Turkey or Gamebird starters should have.
Yes this is best rule of thumb, 95 is tops needed and some say that is high. A constant 95 is good but especially running that high they need that much cooler area also. Are they shipped, local hatched?
With that small off a brooder, it can be harder to get a cooler area. From pics looks like you're using a heat lamp, if so you could go to a lower wattage bulb to reduce size of heated area. Also, can move light as far to one end as possible even if it isn't directly 100% over brooder. You only...