Abstract

Data from 291 digestion trials have been used to derive regression equations relating the organic‐matter digestibility of herbage to the nitrogen percentage of its dry matter and to the nitrogen percentage in the organic matter of the resulting faces. The residual errors are very high and it is shown that the deviations from the lines are not randomly distributed but have a seasonal trend. The seasonal biases have been calculated, and the inclusion of month of cutting as a factor is found to improve the two regressions to some extent. Monthly regressions have also been calculated. Even with these, however, the errors are still too high for many practical purposes.

Keywords

Dry matterOrganic matterNitrogenAgronomyResidualAnimal scienceDigestion (alchemy)Environmental scienceMathematicsChemistryBiologyEcologyChromatography

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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...

1961 Grass and Forage Science 39 citations

Publication Info

Year
1961
Type
article
Volume
16
Issue
1
Pages
76-79
Citations
34
Access
Closed

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D. J. Minson, C. D. Kemp (1961). STUDIES IN THE DIGESTIBILITY OF HERBAGE. Grass and Forage Science , 16 (1) , 76-79. https://doi.org/10.1111/j.1365-2494.1961.tb00215.x

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DOI
10.1111/j.1365-2494.1961.tb00215.x