{"id":1967,"date":"2026-04-15T14:30:14","date_gmt":"2026-04-15T06:30:14","guid":{"rendered":"https:\/\/poultryequipmentmanufacturers.com\/?post_type=news&p=1967"},"modified":"2026-04-29T16:29:19","modified_gmt":"2026-04-29T08:29:19","slug":"1967","status":"publish","type":"news","link":"https:\/\/poultryequipmentmanufacturers.com\/es\/noticias\/1967\/","title":{"rendered":"How Many Hours of Light Do Chickens Need to Lay Eggs? A Practical Guide to Egg Production, Daylight, and Supplemental Light"},"content":{"rendered":"

Short winter days can make a healthy\u00a0hen slow down or stop laying. For farm owners, that means fewer eggs, unstable output, and lower returns. The solution is simple but must be managed carefully: give the flock enough light, proper housing, and a steady daily routine.<\/p>\n

Most laying hens need about 14\u201316 hours of light per day to support steady egg production. Natural daylight may be enough in spring and summer, but during fall and winter, many farms use artificial light or supplemental light in the chicken coop to maintain a stable lighting program. Too little light can reduce egg laying, while too much light may stress the birds. University Extension sources commonly recommend 14\u201316 hours of light for laying hens.<\/p>\n

\"How<\/p>\n

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Article Outline<\/h2>\n

Why does light affect chicken egg production?
\nHow many hours of light do chickens need to lay eggs?
\nWhy do chickens lay fewer eggs in fall and winter?
\nShould you use artificial light in the chicken coop?
\nWhat is the best lighting schedule for laying hens?
\nHow should you add supplemental light safely?
\nDo pullets and new chickens need the same light as adult hens?
\nWhat happens during molt and why do hens stop laying?
\nHow does lighting work in commercial poultry houses?
\nWhat should farm owners consider before designing a lighting program?<\/p>\n

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Why Does Light Affect Chicken Egg Production?<\/h2>\n

Light is one of the key signals that controls a chicken reproductive cycle. When the daylight period is long enough, the hen\u2019s body receives a natural signal to support egg production. When the days get shorter, especially in fall and winter, the body may slow down or pause laying. Michigan State University Extension explains that the amount of daylight affects the chicken reproductive cycle and that hens begin laying when daylight reaches about 14 hours per day.<\/p>\n

This is why many farms notice a clear seasonal pattern. In spring and summer, the hours of daylight are longer, so hens often lay well. In the winter months, natural light may fall to only 8\u201310 hours per day in some locations. That shorter day length can reduce egg laying or make some hens stop laying entirely.<\/p>\n

For large and medium-scale farms, light is not a small detail. It is part of house design, daily management, feed intake, bird health, and production planning. This is why modern poultry projects often integrate lighting with layer cage systems, feeding, drinking, climate control, and manure removal in one complete system.<\/p>\n

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How Many Hours of Light Do Chickens Need to Lay Eggs?<\/h2>\n

Most laying hens need 14-16 hours of light per day to maintain consistent laying. University of Maine Cooperative Extension gives a clear rule of thumb: keep laying hens on a constant 14 to 16 hour day. Wisconsin Extension also notes that hens can continue producing eggs during spring, fall, and winter when artificial light is used to provide 14\u201316 hours of light.<\/p>\n

A simple practical guide looks like this:<\/p>\n\n\n\n\n\n\n\n\n\n\n
Light Per Day<\/th>\nLikely Effect on Laying Hens<\/th>\n<\/tr>\n<\/thead>\n
8 hours of daylight<\/td>\nToo short for steady egg laying in many flocks<\/td>\n<\/tr>\n
12 hours per day<\/td>\nSome hens may lay, but output may be lower<\/td>\n<\/tr>\n
14 hours per day<\/td>\nCommon minimum target for steady egg production<\/td>\n<\/tr>\n
15 hours per day<\/td>\nOften effective for maintaining production<\/td>\n<\/tr>\n
16 hours of light<\/td>\nCommon upper target for strong production<\/td>\n<\/tr>\n
More than 16 hours<\/td>\nUsually not needed and may reduce rest time<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

For maximum egg consistency, many producers aim for 14-16 hours of light rather than trying to keep lights on all day. Chickens still need darkness for rest. A good lighting program gives enough light to stimulate laying while still allowing the bird to sleep and roost naturally.<\/p>\n

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Why Do Chickens Lay Fewer Eggs in Fall and Winter?<\/h2>\n

In fall and winter months, days get shorter. Less light tells the hen\u2019s body that it may not be the best season for reproduction. Michigan State University Extension states that hens begin laying when daylight reaches 14 hours per day in early spring and that maximum egg laying occurs when day length reaches 16 hours.<\/p>\n

This is also why many backyard chickens seem to slow down suddenly when the days get shorter. The birds may still look healthy, eat normally, and stay active, but egg production decreases because the amount of light is no longer enough to keep the reproductive cycle fully active.<\/p>\n

Other factors can also reduce laying, including age, breed, nutrition, stress, disease, temperature, water quality, and molt. But light is one of the most common causes of seasonal decline. For commercial farms, this is why lighting should be planned together with farm support and auxiliary systems, not added casually after the house is already running.<\/p>\n

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Should You Use Artificial Light in the Chicken Coop?<\/h2>\n

You can use artificial light in the chicken coop when natural daylight is too short and you want more stable egg production. Poultry Extension guidance says that when pullets are ready to start laying, light exposure can be slowly increased to about 14 hours per day, and maintaining at least 14 hours can help keep the flock in lay year-round.<\/p>\n

However, artificial lighting should be used carefully. More light is not always better. A lighting plan should be steady, safe, and gradual. Sudden changes can stress the flock. Too much light can reduce rest time. Poor electrical installation can create fire risk or equipment failure.<\/p>\n

A good artificial light setup usually includes:<\/p>\n