Fat As An Alternative Energy Feedstuff

The rendering industry in the United States produces approximately 9 billion pounds of fat each year from byproducts of the meat packing industry and from spent cooking oils from restaurants and supermarkets.'7' Much of this fat is used in animal feeding. Fat is a concentrated source of energy, having more than twice the calorie density as carbohydrates, and can thus be an easy way to boost the energy concentration of a ration. Fat can be utilized in rations of all livestock and poultry with some limitations. Recommended maximum diet levels (DM basis) are 10% for nonruminants and 6% for ruminants.'2'

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