ISA Brown

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ISA Brown
Other namesHubbard Brown, Brown, Red Sexlinks
Country of originFrance
Useeggs layers
  • Female:
    2kg (4.40lb)
Egg colorbrown
Comb typesingle

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] It is known for its high egg production of approximately 300 eggs per hen in the first year of laying.[2]


ISA stands for Institut de Sélection Animale, the company which developed the crossbreed in 1978 for egg production as a battery hen. In 1997, the ISA Group merged with Merck & Co., forming Hubbard ISA, [3] so the variety is sometimes called Hubbard Isa Brown. In 2005, Institut de Sélection Animale (ISA) and Hendrix Poultry Breeders (HPB) merged in ISA B.V., which also became part of the multi-species breeding company, Hendrix Genetics. In March 2005, Hubbard was purchased from Merial Ltd by Group Grimaud La Corbiere, SA.

See also[edit]


  1. ^ "ISA Brown Commercial Stock & Parent Stock". Archived from the original on 2013-01-03. Retrieved 2011-08-31.
  2. ^ "Archived copy" (PDF). Archived from the original (PDF) on 2016-03-04. Retrieved 2013-08-05.{{cite web}}: CS1 maint: archived copy as title (link)
  3. ^ "The leading multi-species breeding, genetics and technology company".