Meat and bone meal

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Meat and bone meal (MBM) is a product of the rendering industry. It is typically about 48–52% protein, 33–35% ash, 8–12% fat, and 4–7% water. It is primarily used in the formulation of animal feed to improve the amino acid profile of the feed. Feeding of MBM to cattle is thought to have been responsible for the spread of BSE (mad cow disease); therefore, in most parts of the world, MBM is no longer allowed in feed for ruminant animals. However, it is still used to feed monogastric animals. MBM is widely used in the United States as a low-cost animal protein in dog food and cat food. In Europe, some MBM is used as ingredients in pet food, but the majority is now used as a fossil-fuel replacement for energy generation, as a fuel in cement kilns, landfilling or incineration.

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