Duck is not one interchangeable poultry product. Broiler or fryer duckling, roaster duckling and mature duck are separate U.S. classes, while live birds, ready-to-cook carcasses, breasts, legs, offal, foie gras, fat and prepared products carry different yields, controls and uses. A comparable lot needs species and breed where material, age and class, sex if specified, live or slaughtered form, carcass or cut presentation, bone and skin state, fresh, frozen or quick-frozen condition, grade and defect basis, net weight and count, slaughter and pack dates, establishment and origin, temperature history, microbiological and residue release evidence, package and lot, quantity, currency, Incoterm, destination, delivery window and information vintage.
USDA classifies a broiler or fryer duckling as a young duck usually under 8 weeks, a roaster duckling as usually under 16 weeks, and a mature or old duck as usually over 6 months, with physical maturity traits controlling the class rather than age alone. USDA recognizes U.S. Grades A, B and C for ready-to-cook poultry of the same kind and class. EU poultrymeat rules distinguish fresh meat kept from -2 to +4 degrees Celsius, frozen meat kept no higher than -12 degrees Celsius and quick-frozen meat kept no higher than -18 degrees Celsius. These are class, quality and destination-specific condition references, not results for an untested lot, current supply or price.
USDA distinguishes broiler or fryer duckling, roaster duckling and mature or old duck using usual age ranges together with tenderness, bill and windpipe maturity. The age words are not stand-alone certificates: the physical class traits remain part of the definition. Atlas retains class, age evidence and relevant breed or sex detail rather than inferring eating quality or yield from a generic duck label.
A live production bird, ready-to-cook carcass, breast or magret, leg, wing, liver or foie gras, edible offal, rendered fat and seasoned or otherwise prepared product are different commercial objects. Bone, skin, fat cover, trimming, chilling, freezing, added ingredients and intended use change edible yield, inspection basis, package value and destination requirements. Atlas never transfers a carcass grade, temperature claim or price to a cut, offal or prepared product without a documented conversion and matching lot evidence.
USDA quality standards apply to ready-to-cook poultry, parts and specified poultry products and evaluate factors including exposed flesh, discoloration, broken bones, feathers and freezing defects. EU marketing definitions distinguish fresh, frozen and quick-frozen conditions by temperature. A seller description does not prove class, grade or cold-chain compliance: Atlas retains representative sample or unit inspection, grade authority, defect findings, establishment, slaughter and pack dates, logger record, microbiological release, destination rule and chain of custody with the lot.
Age class, grade and temperature limits cannot establish breed, live-to-carcass or carcass-to-cut yield, fat cover, processing loss, package value, current availability or route cost. A delivered comparison still needs current permitted observations for the exact species or breed, class, carcass or cut, grade and tested lot, fresh or frozen state, weight, package, quantity, origin, currency, Incoterm, destination, delivery window, freight and information vintage. Atlas withholds a physical estimate when those observations or usage rights are missing.
No. USDA uses the usual age together with tenderness and bill and windpipe traits. A young duck cannot be assigned the class from age alone when the defining physical traits do not match.
No. Class and quality grade are separate. The lot must first identify the kind and class; Grade A, B or C then addresses applicable ready-to-cook quality factors.
No. They have different condition definitions, temperature controls, shelf-life evidence and commercial handling. The lot's real process and temperature record must remain attached.
Species and breed where material, age and class, sex if specified, live or slaughtered form, carcass, breast, leg, offal, foie gras, fat or prepared form, bone and skin state, fresh, frozen or quick-frozen condition, grade and defect basis, weight and count, slaughter and pack dates, establishment, origin, temperature history, microbiological and residue evidence, package and lot, quantity, currency, Incoterm, destination, delivery window and evidence date.
Figures retain their source, period and review date. Corroboration is not promoted to primary evidence.