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Theyâre over two years old, and are running out of eggs. Chickens are born with a set number of eggs available for them to lay over their life, and depending on the breed, they may lay them over a relatively short time, or a more extended period.
The US Department of Agriculture reports the average hen lays about 260 eggs per year, about 5 per week. They have a lifespan of about 10 years and will usually slow egg production as they age. Many other factors can affect the bird's ability to lay, however.