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White Leghorns that had won first prize at the 1868 New York Show were imported to Britain in 1870, and brown Leghorns from 1872. [ 11 ] : 161 These birds were small, not exceeding 1.6 kg in weight; weight was increased by cross-breeding with Minorca and Malay stock.
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 ...
Poultry is the second most widely eaten type of meat in the world, accounting for about 30% of total meat production worldwide compared to pork at 38%. Sixteen billion birds are raised annually for consumption, more than half of these in industrialised, factory-like production units. [ 58 ]
Herbivory is of extreme ecological importance and prevalence among insects.Perhaps one third (or 500,000) of all described species are herbivores. [4] Herbivorous insects are by far the most important animal pollinators, and constitute significant prey items for predatory animals, as well as acting as major parasites and predators of plants; parasitic species often induce the formation of galls.
[4]: 432 His aim was to produce a dual-purpose chicken that would be suitable for meat production and would also lay large white eggs. By cross-breeding of Barred Plymouth Rock and White Leghorn birds, an autosexing breed with barred gray adult plumage was produced. As in other autosexing breeds, the sex of chicks can be distinguished at about ...
Leghorn may refer to: Livorno, an Italian port city in Tuscany, traditionally known in English as Leghorn; Leghorn, a type of straw-plaited fabric; Leghorn chicken, a breed of chicken from Tuscany; The naval Battle of Leghorn, 1653, during the First Anglo-Dutch War; Foghorn Leghorn, a Looney Tunes character
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.
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 ...