THE ROUTINE DETERMINATION OF IN VITRO DIGESTIBILITY OF ORGANIC MATTER IN FORAGES‐AN INVESTIGATION OF THE PROBLEMS ASSOCIATED WITH CONTINUOUS LARGE‐SCALE OPERATION

R. H. Alexander*, Mary McGowan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

125 Citations (Scopus)

Abstract

A procedure and equipment which make possible a continuous output of 250 to 300 determinations of in vitro digestibility of organic matter per week are described. The effect on in vitro digestibility values of removing rumen liquor from sheep at various times before and after feeding, mixing of rumen liquors from different sheep, and nitrogen supplementation of the inoculum are investigated. Results are given of a comparison of the effect of soil contamination on in vitro data when expressed as digestibility of dry matter and digestibility of organic matter. The levels of within and between‐batch errors are stated and the accuracy of prediction of feeding value is discussed.

Original languageEnglish
Pages (from-to)140-147
Number of pages8
JournalGrass and Forage Science
Volume21
Issue number2
DOIs
Publication statusPrint publication - Jun 1966

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