
A chicken's egg-laying habits are influenced by a variety of factors, including breed, environment, nutrition, and individual traits. Typically, a hen will start laying eggs when it is around 16 to 18 weeks old, but some may take up to 28-32 weeks, and others may start as early as 4 months. Once a hen starts laying eggs, it will usually produce an egg every 24 to 27 hours, as long as it gets enough light and nutrition. However, it's important to note that reduced daylight hours in the winter can cause hens to stop laying eggs, and they may take a break of a few months before resuming in the spring. Additionally, the quality of chicken feed and calcium levels are crucial for consistent egg-laying and the health of the hen. While most hens will lay eggs regularly, individual variations exist, and factors like stress and mating behaviour can also influence their laying habits.
| Characteristics | Values |
|---|---|
| Average age to start laying eggs | Between 4-8 months or 16-32 weeks |
| Number of eggs laid | One every 24-27 hours |
| Number of eggs in the first year | 250 |
| Number of eggs in the second year | 200 |
| Number of eggs in the third year | 175 |
| Number of eggs in the fourth year | 150 |
| Number of nesting boxes | One 1-foot square nesting box for every four laying hens |
| Chicken feed | 16% protein and 3.25%–4.5% calcium |
| Chicken behaviour | Squatting, spending more time with the rooster, crouching for breeding, investigating the nesting area |
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What You'll Learn

Hens will lay eggs every 24-27 hours
A hen's first egg is an exciting moment for any chicken keeper. After this milestone, the hen will lay eggs consistently, usually every 24-27 hours, as long as it is healthy and properly cared for, and getting enough light.
The frequency of a hen's egg-laying depends on several factors, including breed, environment, and individual traits. While some hens may lay an egg almost daily, others may take a natural break during the winter months when there are fewer daylight hours. In nature, hens typically stop laying eggs when they receive less than 12 hours of daylight per day.
To ensure consistent egg production, chicken keepers can provide supplemental lighting to maintain at least 12-16 hours of light per day. This artificial light can keep hens laying eggs year-round. Additionally, providing a comfortable and clean nesting area can encourage hens to lay eggs regularly.
The age at which a hen starts laying eggs can vary, typically ranging from 16 to 32 weeks, or even up to 9 months for some breeds. Once a hen starts laying eggs, it will continue to do so regularly, barring any health issues or environmental factors.
It's important to note that a hen's egg production will naturally decrease over time. After the first year of peak production, the number of eggs laid will gradually reduce, with many hens slowing down significantly around their sixth or seventh year.
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The first egg usually arrives when hens are 18 weeks old
As hens approach their first egg lay, their behaviour may change. They may spend more time with the rooster, exhibit “squatting” behaviour, or show increased interest in the nesting area. Once a hen lays its first egg, it will typically lay an egg almost daily thereafter during its laying season, which is about every 24 to 27 hours. However, it's important to note that egg production can be influenced by factors such as breed, housing, weather, management, parasite load, and nutrition.
To support healthy egg production, it's crucial to provide adequate nutrition. From day one through week 17, it's recommended to feed chicks and pullets a complete starter-grower feed with higher protein and lower calcium. Around week 18, you can transition to a layer feed with added calcium to support shell development. Additionally, ensuring your hens have access to nesting boxes or a comfortable nesting area can help encourage egg-laying behaviour.
It's important to monitor your hen's behaviour and physical signs of maturity to predict when the first egg may arrive. Once they start laying, consistent egg production is a positive indicator of a happy and healthy hen. By providing the necessary care and nutrition, you can support your hens in laying strong and maintaining their health.
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Chickens need 12-16 hours of light per day to lay eggs
A chicken's reproductive cycle is affected by the amount of daylight it receives. In nature, hens require at least 12 hours of daylight per day to lay eggs. When the days get shorter in the fall, hens will take a natural break from laying eggs. During early spring, when the amount of daylight reaches 14 hours per day, hens will begin laying again. Maximum egg-laying will occur when the day length reaches 16 hours per day.
To keep hens laying eggs year-round, supplemental lighting can be used to ensure they receive at least 12 hours of light per day. The light intensity in the chicken house must be suitable, with 10-20 lux (3-4 watts/m2) being appropriate. The light distribution should be uniform, and no blind spots should be left. If the light is too dark, it will reduce egg production. If the light is too strong, the chickens will appear nervous, easily startled, and may fight with each other. Supplemental lighting should be introduced gradually, increasing by half an hour to one hour each week until a maximum of 14 to 16 hours of light per day is reached.
Once a hen starts laying eggs, it will typically lay a new egg every 24 to 27 hours during its laying season, which lasts for about a year. The first eggs will likely be smaller and increase in size over time. The breed, environment, and individual bird will determine the exact timing and frequency of egg-laying.
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Hens will lay eggs in nesting boxes or areas they've prepared
A hen will typically start laying eggs when it is around 18 weeks old. After that, it will lay an egg almost daily, or every 24 to 27 hours, during its laying season. This will continue for several years, with the number of eggs decreasing over time. At about two years old, a hen will lay about 80% of the eggs it did in its first year. In its third year, it will produce just under 70% of its first-year total, and in the fourth year, it will produce about 60% of the eggs it did in its first year.
To encourage hens to lay their eggs in a controlled and clean environment, you can provide nesting boxes with thick layers of straw, pine shavings, or other bedding materials to cushion the eggs. Keep the boxes in the darkest corner of the coop to give the hens privacy, and ensure each nest area has a uniform environment. After a hen lays its first egg, it tends to lay in the same spot moving forward. Therefore, providing a comfortable and appealing space for the hens to lay their eggs can help create a consistent egg-laying routine.
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Egg production decreases each year after the first
A hen will typically start laying eggs when it is around six months old, but this can vary from 16 to 18 weeks old to eight months old, depending on breed, environment, and individual bird. For instance, Rhode Island Reds, Australorps, and Leghorns are known to start laying eggs at around 17 to 18 weeks old, while heavier breeds like Wyandottes, Orpingtons, and Barred Rocks take a bit longer. Silkies, on the other hand, may not lay eggs until they are around nine months old.
Once a hen starts laying eggs, it will usually produce an egg every 24 to 27 hours during its laying season. However, egg production will decrease each year after the first. At about two years old, a hen will lay about 80% of the eggs it did in its first year. In its third year, it will produce just under 70% of the first year's total, and in the fourth year, it will produce around 60% of the original amount.
The number of eggs a hen lays also depends on the time of year. Reduced daylight hours in the winter usually signal mature chickens to stop laying eggs, conserving their energy and nutrients for the cold months ahead. During the winter, you'll notice the chicken's combs and wattles become smaller and pale again, swinging with their hormones. In addition, hens will naturally slow down in the fall and winter unless you add supplemental light for a consistent 16 hours of light per day.
To promote egg production, you can provide your hens with a complete layer feed that includes the Oyster Strong® System. Purina® complete layer feeds are formulated to provide the unique nutrients laying hens need to lay strong and stay strong. Chicken layer feed should include 16% protein and 3.25% to 4.5% calcium. Calcium is a key nutrient in the egg-laying process, and a lack of calcium can lead to soft or brittle eggshells.
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Frequently asked questions
Once a hen starts laying eggs, it will create a new one every 24-27 hours during its laying season.
It takes 24-26 hours to create an egg.
The age at which a chicken starts laying eggs depends on its breed. Some chickens may start laying eggs as early as 16 to 18 weeks old, while others may take upwards of 28 to 32 weeks (closer to 8 months old).
In addition to breed, the time of year and weather can also influence when a chicken starts laying eggs. For example, chickens that mature in the winter may start laying eggs later than those that mature in the summer.










































