Abstract
IN a recent communication in Nature, Raymond1 has proposed a method of estimating the nitrogen content and the related nutritive value of pasture herbage consumed by grazing sheep from the nitrogen content of the resulting fæces. While this relationship should prove very useful in sheep nutrition studies, it appears likely, on the basis of work carried out at this Station2,3, that a still more precise expression of the nutritive value of the herbage can be obtained from the data used by Raymond. It is the purpose of this communication to describe how the organic matter digestibility of pasture can be calculated from the nitrogen content of the fæces.
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References
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Lancaster, R. J., N.Z. J. Sci. and Tech. (in the press).
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LANCASTER, R. Estimation of Digestibility of Grazed Pasture from Fæces Nitrogen. Nature 163, 330–331 (1949). https://doi.org/10.1038/163330b0
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DOI: https://doi.org/10.1038/163330b0
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