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As a farm bird, it is an egg-laying breed. Hens start laying early, at about 26 weeks, and give about 120 white eggs per year. [7]: 662 Eggs weigh more than 65 g from the 57th week of the life of the hen. [7]: 662
The test output indicates its presence: yellow a female during the absence of color a male, with a 98.5% accuracy rate. [1] As of May 2019, Respeggt sexed one egg per second (3,600 an hour) and thus enabled 30,000 'no-kill' female chicks to hatch in Germany every week. [34]
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.
Some reptiles use incubation temperatures to determine sex. In some species, this follows the pattern that eggs in extremely high or low temperatures become female and eggs in medium temperatures become male. [14] Within the mechanism, two distinct patterns have been discovered and named Pattern I and Pattern II.
As is the case with chickens, various breeds have been developed, selected for egg-laying ability, fast growth, and a well-covered carcase. 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]
FILE - Eggs are displayed on store shelves at a local grocery store in Chandler, Ariz., Jan. 21, 2023. Amid soaring egg prices, social media users are claiming that common chicken feed products ...
In French, poussin is a newly hatched chick (either sex), poulet is a young chick (either sex), poulette is a young female chicken (one form of a poulet, and corresponding to the male coquelet), poularde is a poulette deliberately fattened for eating (often spayed, and the equivalent of the castrated male chapon or capon), and a poule is an egg ...
According to the latest USDA report from mid-December, US egg production is down 4% year over year, with 3% fewer egg-laying hens. Per Datasembly , eggs are at their highest price since January 2023.