how much chicken feed cost
1 Chicken feed costs $50 for a 50-pound bag. 2  Plan on five chicks going through about a half a pound of starter feed per day so one bag should last about two and a half months.3  Five grown chickens go through about a bag a month. 4  Instead of buying chicks, consider buying fertilized eggs to hatch. In colder climates the chickens' nesting area and food must be kept warm. 2  A nesting box heater costs $50; food and water heaters cost between $20 and $50. 3  Chicken feed costs $50 for a 50-pound bag.