The Brahma chicken is known for laying some of the largest eggs among chicken breeds, often weighing around 2.5 ounces or more each.
If you’re looking for chickens that produce jumbo-sized eggs, certain breeds stand out from the flock. While all hens start small, some mature into egg-laying powerhouses capable of producing eggs too large for standard cartons. Whether you’re baking or just love impressive eggs, these breeds deliver.
Chicken Breeds That Lay Jumbo Eggs
1. Leghorns
The White Leghorn is the undisputed champion of white egg production. These active birds lay 280-320 extra-large to jumbo white eggs annually. Their small body size makes them efficient layers – a key reason commercial farms favor them.
2. Orpingtons
Buff Orpingtons are dual-purpose birds known for their massive brown eggs. Hens typically lay 200-280 large to jumbo eggs yearly. Their calm temperament makes them excellent backyard chickens. Orpingtons start laying around 5-7 months old.
3. Jersey Giants
True to their name, Jersey Giants produce some of the largest brown eggs. While they lay fewer eggs (about 150-200 annually), each egg is substantial. These gentle giants take longer to mature but reward patience with jumbo eggs.
4. Rhode Island Reds
A classic American breed, Rhode Island Reds consistently lay 200-300 large to extra-large brown eggs yearly. They’re hardy birds that continue laying well in winter. Rhode Island Reds have impressive longevity too.
5. Black Copper Marans
Prized for their dark chocolate-colored eggs, Marans often produce jumbo-sized eggs. While egg counts are lower (150-200 annually), the rich yolk color and large size make them favorites among enthusiasts.
Hybrid Layers With Impressive Egg Size
1. ISA Browns
This hybrid consistently lays 300+ extra-large to jumbo brown eggs annually. Their reliable production makes them ideal for backyard flocks focused on egg yield.
2. Red Sex Links
Various names (Golden Comet, Cinnamon Queen) describe these prolific layers. They produce 250-300 large to jumbo brown eggs yearly, starting as early as 16-18 weeks.
3. California Whites
A cross between California Grays and White Leghorns, these hybrids lay 300+ large white eggs annually. They combine the Leghorn’s productivity with a calmer disposition.
Factors Affecting Egg Size
While breed determines potential egg size, several factors influence actual production:
| Factor | Effect on Egg Size |
|---|---|
| Age | Eggs increase in size until hens reach 1-2 years old |
| Nutrition | High-protein diets (18-20%) support larger eggs |
| Daylight | 14-16 hours of light optimizes egg production |
| Stress | Reduced stress leads to more consistent egg size |
According to Cackle Hatchery, egg size increases gradually as hens mature, with peak size typically reached around 30 weeks of age.
Egg Size Classifications
Egg sizes are classified by weight per dozen:
- Peewee: 15 oz/dozen
- Small: 18 oz/dozen
- Medium: 21 oz/dozen
- Large: 24 oz/dozen
- Extra Large: 27 oz/dozen
- Jumbo: 30 oz/dozen
As noted by Backyard Chickens members, some breeds regularly produce eggs too large for standard cartons, requiring special jumbo containers.
Maximizing Egg Size
To encourage larger eggs from your flock:
- Select breeds genetically predisposed to large eggs
- Provide high-quality layer feed with adequate protein
- Ensure constant access to fresh water
- Supplement with calcium (oyster shell)
- Maintain consistent lighting conditions
- Minimize stress in the flock
Remember that while you can optimize conditions, genetics ultimately determine a chicken’s egg-laying potential. Choosing the right breeds from the start is the surest path to jumbo eggs.