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The use of indigestible acid detergent fibre as a digestibility marker for dairy cows fed ad libitum grass silage with three concentrate levels

Published online by Cambridge University Press:  22 November 2017

E.A. Dodsworth ,
R.H. Phipps  and
J.A. Bines
E.A. Dodsworth
Affiliation:
National Institute for Research in Dairying, Shinfield, Reading RG2 9AT
R.H. Phipps
Affiliation:
National Institute for Research in Dairying, Shinfield, Reading RG2 9AT
J.A. Bines
Affiliation:
National Institute for Research in Dairying, Shinfield, Reading RG2 9AT
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Extract

Estimates of organic matter digestibility derived from the concentration of indigestible acid detergent fibre CIADF) in the diet and the faeces compared favourably with in vivo values when a variety of forages was fed to wether sheep (Penning and Johnson, 19B3). The purpose of this trial was to evaluate IADF as an internal marker to estimate dry matter digestibility (DMD) of lactating dairy heifers fed ad libitum grass silage with one of three levels of concentrate supplementation.

Type
Dairying
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1984 , March 1984 , pp. 127
Copyright
Copyright © The British Society of Animal Production 1984

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References

Penning, P.D. and Johnson, R.H. (1983). J. agric. Sci., Camb. 100: 133–138.CrossRefGoogle Scholar