Plymouth Rock chicken

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Plymouth Rock
Barred Rock hen in backyard.jpg
Barred Plymouth Rock hen
Conservation status Recovering
Other names Rock
Barred Rock
Country of origin United States
Use Dual-purpose breed
Weight Male: Standard: minimum 3.4 kg (7.5 lb)[1]:241
Bantam: maximum 1.36 kg (3.0 lb)[1]:242
  Female: Standard: minimum 2.95 kg (6.5 lb)[1]:241
Bantam: maximum 1.13 kg (2.5 lb)[1]:242
Skin color Yellow
Egg color Brown
Comb type Single
APA American[2]
ABA Single comb clean legged
EE yes[3]
PCGB Soft feather: heavy[4]
APS heavy breed softfeather
Gallus gallus domesticus

The Plymouth Rock is a breed of domestic chicken from the United States. It originated in New England in the 19th century from cross-breeding of Dominiques and Black Javas.

The Plymouth Rock was bred as a dual-purpose fowl, meaning that it was valued both for meat and eggs. Plymouth Rock chickens are cold-hardy. The hens lay brown eggs, and continue laying all through the winter with decreased production.[citation needed]


The Plymouth Rock was developed in New England in the early 1800s by crossing Dominiques and Black Javas.[citation needed]. John C. Bennett (1804–1867) has been credited with either creating or popularizing the breed.[citation needed]


In the United States, the United Kingdom and Canada, seven color varieties of the Plymouth Rock are recognized: Barred, Blue, Buff, Columbian, Partridge, Silver-penciled and White. In Australia, the Barred variant is split into two separate colors, Dark Barred and Light Barred.[5] The difference between these colors is highly noticeable, with the bars of white color wider and the grey lighter in the Light Barred than in Dark Barred.[citation needed]

Adult hen with barred plumage
Young hen (pullet) with white plumage
Three-day-old chick with barred plumage
Plymouth Rock hens lay brown eggs.

See also[edit]


  1. ^ a b c d Victoria Roberts (2008). British poultry standards: complete specifications and judging points of all standardized breeds and varieties of poultry as compiled by the specialist breed clubs and recognised by the Poultry Club of Great Britain. Oxford: Blackwell. ISBN 9781405156424.
  2. ^ APA Recognized Breeds and Varieties As of January 1, 2012. American Poultry Association. Accessed September 2015.
  3. ^ Liste des races et variétés homologuée dans les pays EE (28.04.2013). Entente Européenne d’Aviculture et de Cuniculture. Accessed September 2015.
  4. ^ Breed Classification. Poultry Club of Great Britain. Accessed August 2014.
  5. ^ James Bishop (1998). Australian Poultry Standard, first edition. Linton, Victoria: Victorian Poultry Fanciers' Association. ISBN 9780646362311.