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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.
The Silverudd Blue, Swedish: Silverudds Blå, is a Swedish breed of chicken. It was developed by Martin Silverudd in Småland, in southern Sweden. Hens lay blue/green eggs, weighing 50–65 grams. [1] The flock-book for the breed is kept by the Svenska Kulturhönsföreningen – the Swedish Cultural Hen Association. [2]
Thinking about backyard chickens as egg prices soar? Think hard, especially in light of the bird flu outbreak. Costs might go well beyond the nationwide average of $4.15 a dozen that commercial ...
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.
More than 145 million chickens, turkeys and other birds have been slaughtered since the current outbreak began, with the vast majority of them being egg-laying chickens. Cage-free egg laws in 10 ...
To figure out what causes the dreaded green ring and, more importantly, how to prevent it, we talked with Lisa Steele, a 5th-generation chicken keeper, founder of the Fresh Eggs Daily blog, author ...
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]
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.