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Animals: World Society
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[One] promising substance for commercial production by transgenic animals is Human Serum Albumine (HSA). To serve the world market of about 5,500 cows would be sufficient to replace the currently plasma-derived HSA, assuming one cow produces 80 kg of protein a year in its milk, as GTC claims.
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Aristotle divided the living world between animals and plants, and this was followed by Carolus Linnaeus in the first hierarchical classification. Since then biologists have begun emphasizing evolutionary relationships, and so these groups have been restricted somewhat. For instance, microscopic protozoa were originally considered animals because they move, but are now treated separately.
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The production of pharmaceuticals by transgenic animals is not likely to have a big impact on animal husbandry in general. Since the number of transgenic animals which will provide pharmaceutical proteins for the world market is limited to several thousands, pharming is expected to become a separate area of animal production. According to P. Brascamp of Wageningen Agricultural University in the Netherlands, pharming will be part of the pharmaceutical production chain.
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