National Academies Press: OpenBook
Suggested Citation:"Front Matter." National Research Council. 1953. Composition of Corn in the United States, 1946-1947. Washington, DC: The National Academies Press. doi: 10.17226/18444.
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Suggested Citation:"Front Matter." National Research Council. 1953. Composition of Corn in the United States, 1946-1947. Washington, DC: The National Academies Press. doi: 10.17226/18444.
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Suggested Citation:"Front Matter." National Research Council. 1953. Composition of Corn in the United States, 1946-1947. Washington, DC: The National Academies Press. doi: 10.17226/18444.
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Suggested Citation:"Front Matter." National Research Council. 1953. Composition of Corn in the United States, 1946-1947. Washington, DC: The National Academies Press. doi: 10.17226/18444.
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COMPOSITION OF CORN IN THE UNITED STATES 1946-1947 JREPORT NO. 2 ,COMMITTEE ON FEED COMPOSITION PREPARED BY A SUBCOMMITTEE CONSISTING OF B. H. SCHNEIDER, CHAIRMAN K. C. BEESON H. L. LUCAS AGRICULTURAL BOARD DIVISION OF BIOLOGY AND AGRICULTURE NATIONAL RESEARCH COUNCIL 2101 CONSTITUTION AVENUE, N. W. WASHINGTON 25, D. C. Price, fjty cents

Members COMMITTEE ON_FEED COMPOSITION R. V. BOUCHER, Chairman Department of Agricultural and Biological Chemistry Pennsylvania State College State College, Pennsylvania K. C. BEESON H. L. LUCAS U. S. Plant, Soil, and Nutrition North Carolina State College Laboratory Raleigh, North Carolina Ithaca, New York L. E. BOPST F. B. MORRISON Association of American Cornell University Feed Control Officials Ithaca, New York University of Maryland College Park, Maryland E M NELSON C. F. HUFFMAN Food and Drug Administration Michigan State College Washington, D. C. East Lansing, Michigan J. E. HUNTER B. H. SCHNEIDER Allied Mills, Inc. State College of Washington Libertyville, Illinois Pullman, Washington

FOREWORD The Committee on Feed Composition was set up under the Agricultural Board of the National Research Council at the instigation of the Committee on Animal Nutrition. The members of the new committee were selected to represent the American Institute of Nutri- tion, the American Society of Animal Produc- tion, the American Society of Agronomy, the American Dairy Science Association, the Poul- try Science Association, the Association of American Feed Control Officials, and the American Feed Manufacturers Association. The Committee was established by a letter, dated May 10, 1946, written by Robert F. Griggs, chairman of the Division of Biology and Agriculture of the National Research Council. The objective of the Committee was to compile complete and accurate tables on the composition of all feeding stuffs (1, 2, 5). Mr. Frank E. James was selected as the executive secretary of the Committee on Feed Composition. His services were made available for the work of the committee on a leave-of- absence basis through the courtesy of the Ral- ston-Purina Company. The major part of the collection of the data included in this publica- tion was undertaken and compiled through the efforts of Mr. James. He diligently im- plemented the plans devised by the committee and took an active part in all of its work. The members of the committee were saddened to receive word of the tragic death of Mr. James from poliomyelitis on August 5, 1948. This great loss was felt deeply by the members of the committee. The delay in summarizing these data and preparing them for publication is attributed to the loss of the service previously given to this project by Mr. James. Report No. 1 of the National Research Council Com- mittee on Feed Composition (1), covering the composition of the 1946 crop of corn, issued in September 1947, was prepared largely through his efforts. It was recognized that the committee should sponsor the tabulation of published composi- tion data on many feeds. Also, it was the con- sensus of the members that a study should be made of the sampling and current chemical composition of one or more annual crops of certain animal feeds. Accordingly, at the first meeting of the committee on August 15 and 16, 1946, a plan was initiated to study the chemical composition of the 1946 corn crop in the United States. This study was later ex- tended to include the 1947 crop. Corn was selected because a large percentage of the total production is used for feeding, and more corn is fed to livestock in the United States than any other grain. Furthermore, evidence was presented indicating that the percentage of protein in corn had decreased over a period of years. One objective of this study was to de- termine the validity of, and possible reasons for, this alleged diminution.

Contents PoK» FOREWORD iii INTRODUCTION 1 PROCEDURE 1 Selection of samples 1 Chemical analyses 4 RESULTS 5 Presentation of data 5 Variability of data 5 Locational variations in composition 5 Effects of soil type on proximate and mineral composition 6 Differences between white and yellow corn 7 Varietal variations in composition 7 Correlations between nutrients 7 DISCUSSION 8 SUMMARY 9 ACKNOWLEDGMENT 9 TABLES 9 REFERENCES .10

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At the first meeting of the Committee on Feed Composition on August 15 and 16, 1946, a plan was initiated to study the chemical composition of the 1946 corn crop in the United States. This study was later extended to include the 1947 crop. Corn was selected because a large percentage of the total production is used for feeding, and more corn is fed to livestock in the United States than any other grain. Furthermore, evidence was presented indicating that the percentage of protein in corn had decreased over a period of years. Composition of Corn in the United States, 1946-1947 determines the validity of, and possible reasons for, this alleged diminution.

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