New Hampshire chicken
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New Hampshire chicken,dual-purpose breed of poultrypoultry,
domesticated fowl kept primarily for meat and eggs; including birds of the order Galliformes, e.g., the chicken, turkey, guinea fowl, pheasant, quail, and peacock; and natatorial (swimming) birds, e.g., the duck and goose.
..... Click the link for more information. that is no longer grown commercially. It is retained for its genetic input into modern breeding programs.
New Hampshire Chicken
a breed of chickens raised for both meat and eggs. It was developed at the beginning of the 20th century in the state of New Hampshire, USA, by culling Rhode Island hens for early maturation, high egg production, and high hatchability. The plumage is light red, with yellow neck feathers. Cocks weigh 3.5–3.6 kg, and hens 2.7–2.8 kg. The annual egg producion is 180–200, with each egg weighing 58–59 g. In the mid-20th century the breed was imported into the Netherlands, France, Sweden, Norway, and the USSR. Special strains, predominantly for egg laying, have been developed within the breed.