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They are not a modern dual purpose breed but do lay a lot of medium-sized white to pale tan eggs, and often lay over a long lifetime and during winter months. Some hens in every flock will go broody and be excellent mothers. Icelandics are medium-sized and have a small carcass weight (about 2.5 pounds for a five month old cockerel).
All chickens lay eggs, have edible meat, and possess a unique appearance. However, distinct breeds are the result of selective breeding to emphasize certain traits. Any breed may be used for general agricultural purposes, and all breeds are shown to some degree. But each chicken breed is known for a primary use.
In the early part of the twentieth century, it was one of the principal breeds kept for this purpose, until it was displaced by modern industrial hybrid lines. It may be kept as a dual-purpose bird. Hens lay some 180–200 tinted eggs per year; some layer strains may give up to 250. [7] The eggs weigh about 60 g. [9]
The UK alone consumes more than 34 million eggs per day. [84] Hens of some breeds can produce over 300 eggs per year; the highest authenticated rate of egg laying is 371 eggs in 364 days. [85] After 12 months of laying, the commercial hen's egg-laying ability declines to the point where the flock is commercially unviable.
Forced molting typically involves the removal of food and/or water from poultry for an extended period of time to reinvigorate egg-laying. Forced molting, sometimes known as induced molting, is the practice by some poultry industries of artificially provoking a flock to molt simultaneously, typically by withdrawing food for 7–14 days and sometimes also withdrawing water for an extended period.
Sprout, a hen who lay eggs on a barn longs to be free from her cage. Sprout becomes depressed and eventually stops eating and is taken out of the farm by the owner only to be thrown into a hole. Sprout gets woken up at night by a mallard duck named "Straggler" who warns her about a weasel that planned to eat her.
Older hens gradually produce fewer eggs, and the eggs are usually larger. [1] Since the average lifespan of a pet layer hen is 8–15 years, [2] henopause has received attention as a potential problem for backyard or urban chicken farmers who are eventually faced with the decision to either slaughter older layers or keep them as non-producing pets.
Faverolles are well adapted both to confinement and free range. When battery cages began to be used at the very beginning of the twentieth century, Faverolles tolerated the close confinement better than the Houdan breed. Thus, the Faverolles was the primary breed which produced eggs for the Paris market during the early part of the century.