Plymouth Rock chicken

The Plymouth Rock is an American chicken breed developed in the nineteenth century for both meat and eggs. Its best-known variety has black-and-white barred plumage.

Chicken: A domesticated bird descended primarily from the red junglefowl and raised worldwide for meat and eggs. Plymouth Rocks are a breed within this domesticated species.
Massachusetts: A state in the northeastern United States, one of the original thirteen colonies. The breed was developed in Massachusetts during the nineteenth century.
Egg production: The production of eggs by laying birds for food or breeding. Plymouth Rocks are kept for a useful supply of brown eggs.
Wyandotte chicken: An American chicken breed recognized for its rounded body and rose comb. Like Plymouth Rocks, Wyandottes are hardy dual-purpose American breeds, but have a different comb and shape.
Dual-purpose chicken: A chicken bred to provide useful yields of both meat and eggs. The breed was developed for both products rather than specialized for only one.
United States chicken industry: The farming, processing, and trade of chickens in the United States. Its creation reflects American efforts to improve practical farm poultry.
Broiler: A chicken raised primarily for meat, usually from strains selected for rapid growth. Unlike specialized broilers, Plymouth Rocks serve both meat and egg purposes.
Dominique chicken: An American chicken breed with barred plumage and a distinctive rose comb. Its barred appearance resembles the Plymouth Rock, while its rose comb helps distinguish it.
Chicken breed: A recognized population of domestic chickens with inherited traits that distinguish it from other populations. Plymouth Rock is defined by its distinctive inherited traits as a breed.
American poultry standards: Formal descriptions used to classify and judge poultry breeds in the United States. Breed standards later fixed the recognized varieties and their characteristic traits.

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Leghorn chickenCompared with: Plymouth Rocks emphasize meat and egg versatility rather than Leghorn specialization in laying.