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Pullets in the three possible colours. The Silverudd Blue is a medium-sized chicken. Hens weigh approximately 1.5 kg, and cock birds about 2.5 kg. [1]As in other blue chicken breeds, three colours occur in accordance with the frequency of the dilution gene: black, blue and splashed white, in Mendelian proportion (1:2:1).
Chickens that are "pasture-raised" or "free range" will typically lay eggs with a darker, more orange-colored yolk, Steele said, "because their diet consists mainly of grasses, weeds and other ...
Sex-links come in several varieties. As hybrids of laying or dual-purpose breeds infused with extra vigor via heterosis, sex-links can be extremely good egg-layers which often produce 300 eggs a year or more depending on the quality of care and feed. The color of their eggs vary according to the mix of breeds, and blue-green eggs are possible.
The blue egg of the Araucana was at this time thought to be unique among chickens. In 1933 Reginald Punnett showed that the blue egg ("oocyan") gene in chickens is dominant with respect to white, while in combination with genes for brown eggs, various shades of green and olive are produced.
Breeders and fanciers of chickens accurately describe the colours and patterns [1] of the feathers of chicken breeds and varieties. This is a list of the terms used in this context. This is a list of the terms used in this context.
From 1930 it was raised in some 70% of the country. However, egg production was found to be variable, and birds did not adapt well to intensive management. Numbers declined; between 1961 and 1973 its percentage of the national chicken population fell from 11.4% to 1–2%. [4] Conservation efforts began in the 1970s. [4]
Older eggs can also be more prone to cooking up with green yolks. Steele says that as an egg ages the alkaline level in the white increases, which can hasten the chemical reaction that leads to ...
A 7-week-old cream pullet. The Legbar has three colour varieties: gold, silver and cream. [15] The cream variant has a crest and lays blue, olive or green eggs. [11]: 53 The Legbar is considered a rare breed by the Poultry Club of Great Britain and, until the Autosexing Breeds Association was re-formed, fell under the Rare Poultry Society.