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ISA Brown
The ISA Brown is a hybrid type of Sex Link chicken,〔http://www.backyardpoultrymag.com/what-breed-is-it-understanding-sex-link-chickens/〕 Is thought to originally been the result of crossing Rhode Island Reds and Rhode Island Whites, but now contains genetics from a wide range of breeds.The list of which is a closely guarded secret.〔(feathersite.com )〕〔(ISA Brown Commercial Stock & Parent Stock )〕 The a ISA Brown is a hybrid, not a true breed, developed by breeding unrelated "dam" and "sire" lines together until the final ISA Brown result. It is known for its high egg production of approximately 300 eggs per hen in the first year of laying.〔http://www.ces.ncsu.edu/depts/poulsci/tech_manuals/layer_reports/38_single_cycle_report.pdf〕 ==History== ISA stands for Institut de Sélection Animale, the company which developed the hybrid in 1978 for egg production as a battery hen. In 1997, the ISA Group merged with Merck & Co., forming Hubbard ISA, 〔http://www.hendrix-genetics.com/en/better_breeding/breeding/〕 so the hybrid 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.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「ISA Brown」の詳細全文を読む
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