glucagon 发表于 2025-3-26 20:59:26
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Soap and Detergents,500 BC described combining animal and vegetable oils with alkaline salts to form soap-like material for treating skin diseases and for washing. The name soap supposedly came from Roman legend. Burnt animal sacrifices were made on Mount Sapo and the mixture of melted animal tallow and burnt ashes madInfantry 发表于 2025-3-27 09:40:59
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Fish Processing By-Products and their Reclamation,fish oil used for both human and animal consumption. Fish and fish processing waste are also used to produce speciality feed ingredients for aquaculture feeds, fertilizers for agriculture and home gardening, pharmaceuticals, industrial products, such as chitin, baits, and other specialized products,Cupping 发表于 2025-3-27 21:08:59
Inedible Gelatin and Glue,ive tissues such as bone, cartilage, skin, and tendon. A variety of gelatin types are made commercially, as well as several kinds of animal glue, which is the oldest known form of gelatin. The description of a gelatin must specify which of the different collagen raw materials and different collagen-nonradioactive 发表于 2025-3-28 00:03:47
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Inedible Meat, Poultry and Fish By-Products in Pet Foods,oteins, fats, and minerals, plus significant quantities of vitamins for pets through the years. The pet food industry is big business with America’s 52 million dogs and 56 million cats consuming foods costing about $8 billion in annual sales and totaling 6·7 million tons produced (Table 13-1). There胖人手艺好 发表于 2025-3-28 06:59:45
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