THE ASSESSMENT OF THE NUTRITIVE VALUE OF SILAGE BY DETERMINATION OF IN VITRO DIGESTIBILITY ON HOMOGENATES PREPARED FROM FRESH UNDRIED SILAGE

R. H. Alexander*, Mary McGowan

*Corresponding author for this work

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

A report is presented on studies on the relationship between in vitro digestibility of 18 silage samples and their in vivo digestibilities. Various analytical techniques are compared and the method adopted, on grounds of suitability for routine operation and accuracy of prediction of in vivo data, is based on analysis of homogenates of fresh silage. The homogenates, sufficiently uniform to permit of volumetric subsampling at acceptable error levels, are prepared in a new design of homogenizer. The impact of the % dry matter of the silage, as fed, on the accuracy of in vitrol in vivo relationships is considered and a bivariate regression plane is proposed.

Original languageEnglish
Pages (from-to)195-198
Number of pages4
JournalGrass and Forage Science
Volume24
Issue number3
DOIs
Publication statusPrint publication - Sep 1969

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