Plymouth Rock Chickens

Plymouth Rock Chicken
No. of Eggs
3.3/5
Easy to Keep?
3.5/5

Uses: Utility – meat and eggs.
Origin: America.
Eggs:
190-240 eggs / year.
Weight: Cock: 3.4 Kg. Hen: 2.95 Kg.
Bantam Cock: 1.36 Kg Max. Hen: 1.13 Kg Max.
Colours: Barred, Black, Buff, Columbian, and White (Standardised UK). Blue, Partridge, Silver Pencilled (Non Standardised). Bantams standardised in Blue and Partridge only.
Useful to Know: British and American Standards are very different. A useful dual purpose utility hen that can be used in Sex-Linked hybrid crosses. American type Plymouth Rocks are known as Amrocks in Europe.
Photo: Buff Plymouth Rock bantam male, owned by Robin Ramus.

Plymouth Rock chickens are available in a relatively small number of colours but by far the most well known is the (utility) barred Plymouth Rock that has been used commercially in Sex-Linked Hybrid Crosses that allow the chicks to be sexed at a day old. The most famous of these in the UK is the Black Rock hybrid. Barred Plymouth Rock chickens are often described as a larger version of the Dominique chicken and were created during the 1860’s. They are named after the “Plymouth Rock” a large granite boulder off the shore of Plymouth Bay, Massachusetts.

The Plymouth Rock first reached the UK in 1870 and there were many exchanges of birds in both directions across the Atlantic up until the early 1900’s. After this time, as with many other breeds, the UK and US fanciers were working in different directions and the standards for the breed in the two countries were so different, there was no point in further exchanges as they were effectively two separate breeds.

Post WW2, utility type American barred Plymouth Rocks were sent to Germany to help in the reconstruction of the country. Since they were so different to the UK / European barred Plymouth Rocks, they standardised them in 1958 as Amrocks.

Plymouth Rocks are standardised in the UK, US and Europe. In the US, they are one of the most popular dual purpose utility breeds that mature early and are generally have a placid temperament. They also exist in a bantam size.

Breeding Hints

Partridge and Silver Pencilled Plymouth Rock require double mating to achieve the correct colours as is done with some Wyandottes.

Photos

Books

The following books are available. Links take you to the Amazon or other sellers’ pages for the books.

Breed Clubs

These are the breed clubs for Plymouth Rock chickens:

  • UK: The Plymouth Rock Club
  • AUS: Plymouth Rock Club of Australia Inc.
  • US: The Plymouth Rock Fanciers Club of America
  • NL: Nederlandse Plymouth Rock Club

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