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Integrating Animal Feeding Strategies Into CNMP Processes: Role Of Updated ASAE Standard D384.2

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Paper number  054074,  2005 ASAE Annual Meeting . (doi: 10.13031/2013.19900) @2005
Authors:   R. K. Koelsch, W. Powers, A. L. Sutton
Keywords:   Nutrient management, manure, excretion standards, animal feeding

This paper introduces the new ASAE Standard D384.2, Manure Production and Characteristics. This new standard provides an equation-based approach that integrates dry matter and nutrient intake as well as animal performance into the final estimate of total solids, nitrogen, and phosphorus excretion for seven livestock and poultry species. The manure excretion estimates of the new standard are compared with the past ASAE standard as well as other commonly used reference values for three specie groups. Significant differences in excretion are common with the new standard compared to past standards. The paper also details examples of how common industry variations in animal performance and feed program substantially impacts excretion estimates, often further accentuating the differences in the predictions based upon the new ASAE estimates and other reference values. Finally, this paper will review options for integrating this standard into planning procedures for animal manure management systems.

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