As the days shorten and winter tightens its grip, backyard flock keepers face a familiar frustration, hens that slow down or stop laying altogether. It is a natural response. Chickens are photoperiod-sensitive creatures, meaning their reproductive cycles are governed largely by the amount of light they receive each day. With fewer than 14 hours of daylight, the brain signals the body to rest rather than produce. For those who rely on a steady supply of eggs, artificial lighting offers a practical and well tested solution.
Light enters a hen’s eye and stimulates the pituitary gland, which in turn releases the hormones responsible for ovulation. A minimum of 14 to 16 hours of light per day is generally required to sustain consistent egg production. During the shortest days of winter, natural daylight may drop to as few as 8 or 9 hours, falling well below this threshold. Supplemental lighting bridges the gap and keeps the hormonal cycle ticking over.
The good news is that you do not need high-intensity lighting to achieve results. A single 9-watt LED bulb is sufficient for a standard backyard coop of up to 20 square metres. Position it centrally and high enough that the light distributes evenly across the floor and perch areas. Aim for approximately 10 lux at bird level, roughly the brightness of a well-lit corridor.
Timing matters as much as intensity. Most flock keepers use a timer to add light in the early morning hours rather than the evening. This mimics the natural lengthening of days and avoids cutting off light abruptly, which can be disorienting for hens trying to find their roost. A gradual increase of 15 to 30 minutes per week from autumn onward is far gentler than switching to full supplemental hours overnight.
While artificial lighting is effective, it is worth remembering that it does accelerate the rate at which a hen uses her finite number of follicles. Hens kept under extended light year round may have shorter overall laying careers. Many experienced keepers choose to give their flock a natural rest every two to three years to support long term health.
Used thoughtfully, supplemental lighting is one of the simplest and most rewarding tools in a poultry keeper’s kit, a small investment that keeps breakfast on the table all winter long.