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The Leghorn was included in the American Standard of Perfection in 1874, with three colours: black, white and brown (light and dark). Rose comb light and dark brown were added in 1883, and rose comb white in 1886. Single comb buff and silver followed in 1894, and red, black-tailed red, and Columbian in 1929.
Harry S. Lamon was the senior poultry expert of the Bureau of Animal Industry of the U.S. Department of Agriculture.From 1912, working at the Henry A. Wallace Beltsville Agricultural Research Center in Beltsville, Maryland, he crossed white Plymouth Rocks, silver-gray Dorkings and white Leghorns to produce a breed with good egg-laying capabilities which would – unlike most layer breeds ...
The breed was developed at the Rutgers Breeding Farms in New Jersey, [1] with birds imported from Holland being crossed with White Leghorns, Rhode Island Reds, New Hampshires, and Lamonas, which created the White Hollands.
The Iowa Blue's exact origin is unknown, but is the subject of a folk legend that is said to have involved the mating of a White Leghorn hen and a pheasant. [1]: 90 This is especially unlikely considering that Leghorns are light-weight birds with white earlobes, yellow skin, and which lay white eggs.
Male birds are unwanted in the egg-laying industry and can often be identified as soon as they are hatch for subsequent culling. In meat breeds, these birds are sometimes castrated (often chemically) to prevent aggression. [13] The resulting bird, called a capon, has more tender and flavorful meat, as well. [29] Roman mosaic depicting a cockfight
A white or very light undercolor is essential for the efficient processing of broilers and decrepit layers in slaughterhouses and meat processing plants, however White Plymouth Rock, a typical "recessive white" breed, continues to be used as the female side of most commercial broiler crosses, while White Cornish continues to be used as the male ...
Learn about 11 most popular rose color meanings and what the colors symbolize before you send a bouquet, from bright red to maroon, pink, white, and yellow.
In addition to these general characteristics, Rosecombs appear in 25 different colour variations, [4]: 150-151 though black, blue, and white are the most common. [ 3 ] : 142 Selective breeding solely for appearance has produced birds with striking appearances, but poor egg laying ability, carcasses unsuitable for eating, and some reproductive ...