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DEVELOPMENT OF STANDARD METHODS TO ESTIMATE MANURE PRODUCTION AND NUTRIENT CHARACTERISTICS FROM DAIRY CATTLE
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Pp. 263-268 in the Ninth International Animal, Agricultural and Food Processing Wastes Proceedings of the 12-15 October 2003 Symposium (Research Triangle Park, North Carolina USA), Publication Date 12 October 2003. 701P1203.(doi:10.13031/2013.15260)
Authors: T. Nennich, J. H. Harrison, D. Meyer, W. P. Weiss, A. J. Heinrichs, R. L. Kincaid, W. J. Powers, R. K. Koelsch, and P. E. Wright
Keywords: Dairy manure production, nutrient excretion characteristics
Total collection data from many universities were pooled for statistical analyses to evaluate
existing data from dairy animals and determine if one or more modifications were needed for
Standard Table D384.1. Many of these studies were carried out to evaluate nutritional
characteristics associated with different diets. The data collected were sufficient to evaluate total
manure, total and volatile solids, and N excretion values. Some experiments had sufficient
number of samples analyzed to evaluate P, K, Ca, Mg, Na, Cl, S, and micro-elements. Statistical
analyses were conducted to determine if a single column value was appropriate and define the
regression equations necessary to estimate excretions if the assumptions of the column inputs were