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FAQ #27107

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Will feeding distillers grains increase nitrogen excretion from feedlot cattle?

Related resource areas: Animal Manure Management, Beef Cattle

It depends on the level of inclusion of distillers grains in the ration. Essentially, producers need to monitor the incoming protein (i.e., nitrogen) concentration of the distillers grains and ensure that they adjust other protein sources, such as oilseed meals and urea, to ensure that they are not feeding more protein than is required by the animal.

This is possible at lower inclusion rates of distillers grains, but as inclusion rates exceed 20% of the dietary dry matter, there will be more protein (and therefore nitrogen) than the animal needs, which will most likely be excreted from the animal, primarily in the urine.

Author: Shawn Archibeque, Colorado State University

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