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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.
A Lepidoptera specimen drawer in a museum collection in Poland Another Lepidoptera specimen drawer in a museum collection in Poland. Lepidopterology (from Ancient Greek λεπίδος (lepídos) 'scale' πτερόν (pterón) 'wing' and -λογία [1]) is a branch of entomology concerning the scientific study of moths and the two superfamilies of butterflies.
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 ]
The elusive animals were discovered in Ecuador after extensive searching, researchers said.
[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 ...
Of the approximately 174,250 lepidopteran species described until 2007, butterflies and skippers are estimated to comprise approximately 17,950, with moths making up the rest. [ 6 ] [ 7 ] The vast majority of Lepidoptera are to be found in the tropics, but substantial diversity exists on most continents.
A monarch butterfly feeding on milkweed. (Shutterstock) The U.S. Fish and Wildlife Service is pushing for added protections for the monarch butterfly after seeing a population decline of about 80%.