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A study of the ‘dissolved faeces fraction’ method for the indirect estimation of herbage intake

Published online by Cambridge University Press:  27 March 2009

J. P. Langlands  and
J. L. Corbett
J. P. Langlands
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen
J. L. Corbett
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen
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Extract

1. Samples of faeces obtained from eleven continuous digestibility trials in which sheep, steers or cows were given fresh herbages grown in different seasons in 2 years were analysed for the ‘dissolved faeces fraction’ (D.I-.F.).

2. Dry-matter intake by sheep was linearly related to the weight of D.F.F. excreted and the equation predicted intakes that were 20 %higher at the mean intake than those estimated from a similar type of relationship obtained by Owen (1961). A logarithmic relationship was derived when the observations for all species were combined.

Information

Type
Research Article
Information
The Journal of Agricultural Science , Volume 63 , Issue 3 , November 1964 , pp. 305 - 310
Copyright
Copyright © Cambridge University Press 1964

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References

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