HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Sullivan, J. T. Search for Related Content PubMed Articles by Sullivan, J. T.

A Rapid Method for the Determination of Acid-Insoluble Lignin in Forages and Its Relation to Digestibility¹

U. S. Department of Agriculture, A.R.S., University Park, Pennsylvania

Abstract

A method described for the determination of acid-insoluble lignin modifies that of Moon and Abou-Raya and adapts it to rapid, routine testing of forages. Relation of the percentage of acid-insoluble lignin to the digestibility of dry matter has been demonstrated. In certain species of grass the digestion coefficient of dry matter is approximately equal to 100 minus 6 times the percentage of acid-insoluble lignin. It is proposed that the method be used in evaluating and screening forages grown in quantities too small for feeding trials.

¹ Contribution No. 163 of the U. S. Regional Pasture Research Laboratory, Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, University Park, Pa., in cooperation with the 12 Northeastern States.

² Chemist, Crops Research Division.

³ The author wishes to acknowledge the technical assistance of Jack E. Field and Mary L. Denison. Forage samples were furnished by state experiment stations and some with the aid of the NE-24 Regional Project, Nutritive Evaluation of Forages, through the cooperation of R. W. Swift of Pennsylvania, C. R. Richards of Delaware, R. F. Davis of Maryland, J. G. Archibald of Massachusetts, W. H. Pfander of Missouri, G. W. Vander Noot of New Jersey, and H. A. Keener of New Hampshire, and by E. A. Kane of the U. S. Department of Agriculture.