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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 ]
Illustration of thirty-nine varieties of chicken (and one Guinea Fowl) . There are hundreds of chicken breeds in existence. [1] Domesticated for thousands of years, distinguishable breeds of chicken have been present since the combined factors of geographical isolation and selection for desired characteristics created regional types with distinct physical and behavioral traits passed on to ...
Examples of a red-linked breeds include the Red Shaver and ISA Brown sex-links which are found in Canada. [3] White birds should not be used in sex-linked crosses because white colour allele is sometimes dominant and sometimes recessive. [4]
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.
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 ...
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.
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