Do you have a thermometer in their brooder.
Here is the list for the proper temps for brooding chicks
Week 1 -95 degrees
Week 2-90 degrees
Week 3-85 degrees
Week 4-80 degrees
Week 5-75 degrees
Week 6-70 degrees
Week 7-65 degrees
65 Degrees is the lowest you can go
You just keep lowering the...