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The ISA Brown is a crossbreed of chicken, with sex-linked coloration. It is thought to have been the result of a complex series of crosses including but not limited to Rhode Island Reds and Rhode Island Whites , and contains genes from a wide range of breeds, the list of which is a closely guarded secret. [ 1 ]
The Rhode Island White is a breed of chicken originating in the U.S. state of Rhode Island. Despite their very similar names and shared place of origin, the Rhode Island White is a distinct breed from the Rhode Island Red. However, Rhode Island Reds and Whites can be bred together to create Red Sex-Link hybrid chickens, such as the ISA Brown ...
A black sex-link hen. Sex-links [1] are crossbred chickens whose color at hatching is differentiated by sex, thus making chick sexing an easier process. Sex-links come in several varieties.
The chicken breeds recognized by the American Poultry Association are listed in the American Standard of Perfection. They are categorized into classes: standard-sized breeds are grouped by type or by place of origin, while bantam breeds are classified according to type or physical characteristics.
This page lists various crossbreeds between two or more chicken breeds or varieties. This includes commercial crossbreeds used for egg and meat production, common crossbreeds used as broody hens by poultry breeders and fanciers, and miscellaneous crossbreeds between any two or three chicken breeds not directly used for the purposes stated above.
Hy-Line International or Hy-Line is a multi-national genetics company that raises and sells commercial/industrial laying chickens. It is a subsidiary of the German EW Group . [ 1 ] The firm has subsidiaries in multiple countries including Brazil , Japan , and the United Kingdom and has 60 distributors in more than 50 countries worldwide.
Barred cock and hen, illustration from Jean Bungartz, Geflügel-Album, 1885 Egg. The Plymouth Rock is an American breed of domestic chicken.It was first seen in Massachusetts in the nineteenth century and for much of the early twentieth century was the most widely kept chicken breed in the United States.
The Lohmann Brown is a brown variety of chicken, specifically bred for egg-laying purposes. It is a crossbred line [ 1 ] and is selectively bred from lines of the Rhode Island breed. [ 2 ] They start to lay eggs at about 19 weeks and produce up to 320 eggs up to an age of 72 weeks (one year production).