A heavily muscled English meat breed (known as Indian Game in the UK) developed from game fowl, famed as the male side of nearly all modern commercial broiler crosses. Wide-bodied, low-stationed and powerful.
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Large fowl cocks ~8-10.5 lb (3.6-4.8 kg), hens ~6.5-8 lb (3-3.6 kg); broad, deep, exceptionally muscular body set on wide-set legs. A bantam version also exists
Lifespan
5–8 years
Social needs
group
Native region
United Kingdom (England, Cornwall)
Family
Phasianidae
Genus
Gallus
Part of the Chicken breeds
Recognized chicken breeds — selectively bred for type, purpose, and appearance.
From the minimum an animal needs to be kept humanely, up to the ideal setup. Bigger is almost always better — minimums are floors, not targets.
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Minimum
Heavy-bodied coop + run
5 sq ft coop + 12 sq ft run per bird, low roosts
Cornish (Dark/Indian Game) are heavily muscled (cocks 10.5 lb, hens 8 lb), wide-stanced birds. Provide 5 sq ft coop per bird, low roost (≤ 12 in — they can injure themselves jumping down), 12 sq ft run, one nest box per 4 hens.
Photo coming soon
Recommended
Walk-in coop + dry covered run
6 sq ft coop + 18 sq ft run per bird
Walk-in coop, deep-litter, low roosts, covered run with sand for dust bath. Cornish are slow growers (a meat-bird foundation but heritage Cornish ≠ commercial broilers) and tolerate confinement well. Shade above 28 °C.
Photo coming soon
Ideal
Free-range heritage flock
Free-range + 8 sq ft coop per bird
Free-range or paddock-rotated grass with a secure night coop. Heritage Cornish on pasture reach excellent meat quality and welfare; the breed's fertility issues mean breeders need careful pairing.
Life & growth stages
How this animal changes through its life — each stage often has its own care, diet and space needs.
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Egg
Birds develop inside a hard-shelled egg incubated by the parent(s). Egg size, shell color, and clutch size vary by species; the embryo develops over days to weeks before hatching.
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Hatchling / Chick
Hatchlings are either altricial — naked, blind, and dependent on parents (typical of parrots and songbirds) — or precocial — downy, mobile, and self-feeding soon after hatching (typical of poultry and waterfowl). Down gives way to the first feathers.
Photo coming soon
Juvenile / Fledgling
Fledglings grow in their juvenile plumage and begin to fly and feed themselves, though they may still beg from parents at first. Juvenile feathering is often duller than the adult and is replaced as the bird matures.
Adult
Adults attain full body size and mature plumage, and are capable of breeding. Many species show distinct adult coloration, and in sexually dimorphic birds males and females differ in plumage, size, or markings.
(c) D. N., some rights reserved (CC BY-NC) via iNaturalist — https://www.inaturalist.org/observations/312084723
Color & pattern variants
Natural variants occur in the wild; selectively bred (man-made) variants were developed in captivity.
Provide a roomy ground-level coop with a generous run; their wide stance and heavy build make them poor fliers, so fencing needn't be tall but should be predator-proof. Keep low, sturdy perches or allow floor roosting to avoid leg/foot strain on heavy birds. Good dry bedding and clean, dry footing help prevent bumblefoot. Tolerate heat well but provide shade.
Diet
Feed a balanced grower then maintenance/layer ration; breeding and exhibition Cornish need controlled feeding to build muscle without excess fat. Provide grit and calcium free-choice. Encourage activity and avoid over-feeding high-energy treats, as their heavy frame predisposes them to obesity and joint stress.
Behavior & temperament
Purpose: meat/dual-purpose — the foundation sire of commercial broilers (e.g. Cornish Cross). Hens lay a modest number of small-to-medium brown/tinted eggs and can go broody, though their bulk makes them clumsy setters that may crush eggs. Temperament is generally calm and docile, but cocks retain some game-bird boldness.
Health
Their wide, close-set legs and exaggerated muscling reduce fertility and natural mating success, and predispose heavy birds to leg, joint and bumblefoot problems. Sparse feathering means they feel cold despite their mass. Breeding stock often needs assistance or AI. Keep birds at a healthy weight to protect legs and heart.
Tips, DIY & hacks
Use deep, dry litter and low perches to spare the legs and prevent bumblefoot; inspect feet regularly. Don't confuse the heritage Cornish breed (slow-growing, sustainable) with the fast 'Cornish Cross' broiler hybrid. For breeding, expect lower fertility and plan for extra males or assisted mating. Excellent backyard meat bird with rich, dark meat.
