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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
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.
Hens lay between 5 and 17 eggs per clutch and the eggs take between 23 and 24 days to hatch. There are between five and 10 young per brood. [ 15 ] The young are raised by the female and fledge in one to four weeks, are completely independent by the tenth to twelfth week, and reach sexual maturity by age one (Ammann, 1957).
A new record was set when a hen laid 364 eggs in 365 days. [16] They are also known to be good nest sitters and mothers, making them one of the most popular large heritage utility breeds of chicken. Hens lay approximately 190 light brown eggs per year, with an average weight of 55 g ; [ 17 ] : 11 bantam hens lay some 160 per year, averaging 40 ...
Hens may lay about 120 eggs per year, with an average weight of some 30 g; [15]: 35 the colour varies from tinted to white. [16]: 135 The bearded and feather-footed Barbu d'Uccle was created in the early years of the twentieth century by cross-breeding birds of this breed with Barbu d'Anvers stock. [15]: 86
Prolactin injection in hens provokes egg laying to stop within a few days, vitellum reabsorption, ovary regression (hens only have a left ovary [14]) and finally broodiness. [ 15 ] [ 16 ] However, attempts to stop broodiness by the administration of several hormones have failed because this state, once evoked, requires time to revert.
Although they are fair layers themselves, laying only about three eggs a week, they are commonly used to hatch eggs from other breeds and bird species due to their broody nature. Silkie chickens have been bred to have a wide variety of colors which include but are not limited to: Black, Blue, Buff, Partridge, Splash, White, Lavender, Paint and ...