Provide a light intensity of 30-40 lux (3-4 fc) to 7 days of age. Thereafter provide an intensity of at least 5-10 lux (0.5-1.0 fc). Local legislation must be adhered to at all times. • During the dark period a light intensity of less than 0.4 lux (0.04 fc) must be provided. • Ensure light is uniformly distributed throughout the house and prevent light seepage into the house.