Last updated by the ChickenCoops.ai Editorial Team
Egg Production Predictor: the complete guide
Egg output swings hard with breed, bird age, daylight and molt, which is why a flock that filled a carton a day in June can go quiet in November. This predictor estimates weekly, monthly and yearly production for your specific mix of birds.
How the egg production predictor works
- Each breed carries a baseline laying rate, from around 150 eggs a year for ornamental breeds up to 320 for production hybrids.
- Age group applies a multiplier: pullets ramp up, peak hens lay best, and output falls each year after.
- Season and daylight matter most. Below about 14 hours of light, laying slows or stops unless supplemental lighting is used.
- Molt and broodiness pause laying entirely for several weeks.
How to use it
- Add a row for each breed in your flock with its count and age group.
- Set the season and climate you are forecasting.
- Toggle supplemental light and molting to match reality.
- Read the weekly, monthly and yearly totals plus the breakdown chart.
Step by step examples
Four Rhode Island Reds at peak, spring
Around 5 to 6 eggs per hen per week, so roughly 22 eggs a week or nearly two dozen.
Same flock in winter without light
Expect a drop to 8 to 12 eggs per week, recovering as daylight passes 14 hours.
Recommended values
| Item | Value | Notes |
|---|---|---|
| Production hybrid (ISA Brown, Leghorn) | 280 to 320 eggs per year | |
| Dual purpose (Orpington, Australorp) | 200 to 260 per year | |
| Heritage or ornamental | 100 to 180 per year | |
| Point of lay | 18 to 22 weeks | |
| Daylight needed for steady laying | 14 hours |
Common mistakes
- Expecting new pullets to lay through their first winter without light.
- Panicking during molt, which is normal and lasts 6 to 12 weeks.
- Blaming the feed when the real cause is age. Hens past three years lay far less.
- Missing hidden nests. Free range hens often lay outside the coop.
Frequently asked questions
When do chickens start laying eggs?
Most laying breeds start between 18 and 22 weeks. Heavy dual purpose breeds can take 24 to 28 weeks.
How many eggs does a chicken lay per year?
Production breeds lay 250 to 320 in their first year. Heritage breeds average 150 to 200.
Why have my chickens stopped laying?
Usually short daylight, molting, broodiness, stress, mites, or age over three years.
Related calculators
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Egg Cost and ROI Calculator
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Egg Carton Profit Calculator
What you actually make selling eggs by the dozen after feed and carton costs.
Flock Rotation Planner
Track flock ages and see when to add pullets so egg production never dips.
What next?
Free tools that pair well with this calculator.
Written by the ChickenCoops.ai Editorial Team
Written by our team of backyard chicken keepers and community moderators, and checked against published poultry husbandry guidance and our own breed and disease datasets. This is general keeping information, not veterinary advice. Call a vet for a sick bird. Last reviewed August 27, 2026.