Pine shavings, rice hulls, peanut shells and ground corncobs are all good products. Hardwood shavings are not recommended. They sometimes produce a mold that can cause a serious infection when inhaled by chicks or human caretakers. Add new litter as needed during brooding. During cold weather, litter may reach a depth of 8 to 10 inches.
Less litter is needed in hot weather.
Provide a source of fresh air by opening curtains or windows. A circulating ceiling fan also enhances air movement in large houses. Check all equipment to see that it is working properly. Operate brooder stoves for at least 24 hours before the chicks arrive. This will warm the house, dry the litter and allow you to check the accuracy of the brooder control and thermostat.