Poultry
Cornish Cross
F tier
Cornish Cross is the dominant commercial broiler hybrid, typically a Cornish male crossed with a White Plymouth Rock female, selected for extremely rapid growth, high breast-meat yield, and efficient feed conversion. Birds reach market weight in about five to seven weeks under intensive systems, with broad breasts, short legs, and white plumage that dresses cleanly. Culinary use is the supermarket whole bird, portioned breast, thigh, and wing trade: mild flavour, soft texture when young, and high lean yield for frying, roasting, grilling, and processing. On pasture or slower programmes the same genetics can develop more flavour but remain a fast meat bird rather than a dual-purpose farm fowl.
Also known as: Cornish Cross broiler, Cornish Cross / standard broiler, Commercial white broiler
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Grading systems
Grades are placed along a shared scale so systems can be compared side by side.
History
Cornish and Plymouth Rock lines were combined in American breeding programmes to improve meat conformation over pure dual-purpose stock.
The Chicken of Tomorrow contests accelerated selection for broad-breasted, white-skinned broilers that became the Cornish Cross type.
Vertical integration and hybrid broiler genetics made Cornish Cross the standard bird for industrial poultry production.
Continuous genetic progress shortened grow-out times and raised breast yield while fixing white plumage for clean carcasses.
Welfare and alternative-label markets prompted slower-growing alternatives, yet Cornish Cross remained the global commodity broiler.