Abstract

Tilley et al . (1) have clearly demonstrated that their rumen liquor and pepsin procedure for the determination of digestibility of herbage is useful and precise. The method has, however, the disadvantage that the equipment required for the centrifugation stages is relatively expensive and, moreover, when using one centrifuge only the procedure is somewhat tedious. The method outlined below completely eliminates centrifugation; the rumen‐liquor stage is terminated by acidification and the residues from the pepsin stage is recovered by filtration, using a filter aid. Digestible dry matter or digestible organic matter may be determined; results for the former estimation on thirteen samples already examined at Hurley have given satisfactory results.

Keywords

RumenCentrifugationFiltration (mathematics)Dry matterCentrifugeOrganic matterChemistryChromatographyFilter paperPepsinAnimal sciencePulp and paper industryBiologyFood scienceMathematicsBiochemistryEnzymePhysicsFermentation

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Publication Info

Year
1961
Type
article
Volume
16
Issue
4
Pages
275-276
Citations
39
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R. H. Alexander, Mary Kate McGowan (1961). ADVANCE NOTES ON RESEARCH. Grass and Forage Science , 16 (4) , 275-276. https://doi.org/10.1111/j.1365-2494.1961.tb00253.x

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DOI
10.1111/j.1365-2494.1961.tb00253.x