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The Cornell Net Carbohydrate and Protein System (CNCPS) was developed to predict requirements, feed utilization, animal performance and nutrient excretion for dairy and beef cattle using accumulated knowledge about feed composition, digestion, and metabolism in supplying nutrients to meet requirements.

Given the evolving nature of the model, we anticipate some updates over the next year or two within the current structure that will include updated feed amino acid profiles and characterizations in the library and an updated growth model for dairy replacements that includes the calf with the capacity to formulate starting at birth. There will also be further updates to lab procedures over the next year that will be reflected in the model. A more extensive discussion will follow as the model is finalized. At this time we expect that updates will be included in the current price. For more information or to join our list serve, visit the Program Updates page.

Per our current development approach, all updates will be incorporated into the commercial versions of the CNCPS.

If you have questions regarding diets or ration formulation, please contact Larry Chase (lec7@cornell.edu), Tom Overton (tro2@cornell.edu) or Mike Van Amburgh (mev1@cornell.edu).