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The egg-laying performance of Australorps attracted attention when in 1922–1923, a team of six hens set a world record by laying 1857 eggs for an average of 309.5 eggs per hen during a 365 consecutive day trial. These figures were achieved without the lighting regimens of the modern intensive shed.
It has been shown that Styrian Chickens lay the most eggs when bred traditionally (extensively), on the farm's backyard. [5] Relatively small [6] eggs are light, of ivory colour and usually weigh 55 grams. [3] The Altsteirer is a dual-purpose breed mostly used for obtaining eggs, but also slaughtered for its good quality meat, [3] especially of ...
Hens lay a good number of small white or cream eggs. [1]: 116 They are not given to broodiness as pullets, but can be when they reach two or three years of age. The breed is fast to mature, with hens laying by four and half months, and cockerels crowing at five or six weeks. [6]: 54
The only living mammals that lay eggs are echidnas and platypuses. In the latter, the eggs develop in utero for about 28 days, with only about 10 days of external incubation (in contrast to a chicken egg, which spends about one day in tract and 21 days externally). [11] After laying her eggs, the female curls around them.
The most common commercial breed in the United Kingdom and the United States is the Pekin duck, which can lay 200 eggs a year and can reach a weight of 3.5 kg (7 lb 11 oz) in 44 days. [34] In the Western world , ducks are not as popular as chickens, because the latter produce larger quantities of white, lean meat and are easier to keep ...
Selective breeding over the centuries has produced hens that lay more eggs than they can hatch. Some of this progress was ancient, but most occurred after 1900. In 1900, average egg production was 83 eggs per hen per year. In 2000, it was well over 300. In the United States, laying hens are butchered after their second egg laying season.
In the early 20th century Croad Langshans became a popular utility breed, doing well in laying trials. The hens lay 140-150 eggs a year and are good winter layers; the eggs are dark brown with a plum-coloured bloom. The hens are excellent sitters and mothers. Croad Langshans are easily tamed and adapt well to both confinement and free range.
It is a calm and docile breed; the cocks are rarely aggressive. The hens lay very large brown eggs, and are fair layers overall, known particularly as good winter layers. The birds are robust and fairly cold-hardy. The breed's plumage comes in blue as well as black and white; legs are willow in hue. Jersey Giant hens will go broody. [2]