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The me system : The biological basis

Published online by Cambridge University Press:  21 November 2017

D.J. Thomson ,
M.J. Haines ,
S.B. Cammell  and
M.S. Dhanoa
D.J. Thomson
Affiliation:
The Animal and Grassland Research Institute, Hurley, Maidenhead, Berks. SL6 5LR
M.J. Haines
Affiliation:
The Animal and Grassland Research Institute, Hurley, Maidenhead, Berks. SL6 5LR
S.B. Cammell
Affiliation:
The Animal and Grassland Research Institute, Hurley, Maidenhead, Berks. SL6 5LR
M.S. Dhanoa
Affiliation:
The Animal and Grassland Research Institute, Hurley, Maidenhead, Berks. SL6 5LR
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Extract

The Starch Equivalent (SE) system devised by Kellner for expressing the energy requirements of ruminants and the energy value of feeds was used in Britain from 1912. Metabolizable energy (ME) was proposed (Agricultural Research Council, 1965) and adopted (MAFF, DAFS and DANI, Technical Bulletin 33, 197S), as a basis for a new system relating diet to the energy requirements of animals. Additional information was incorporated in the extensive Technical Review (The Nutrient Requirements of Ruminant Livestock, 1980). Metabolizable energy was retained, and animal performance it was claimed, was predicted more precisely with ME than SE. Results presented in this paper are for the comparison, and interpretation, of observed and predicted (Technical Bulletin 33) rates of gain, and other components of the ME system, for growing lambs and cattle fed forage and mixed forage and concentrate diets.

Type
Ruminant Feeding
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1986 , March 1986 , pp. 60
Copyright
Copyright © The British Society of Animal Production 1986

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References

Baldwin, R.L., and Bauman, D.E., (1984). In Modelling Ruminant Digestion and Metabolism, pp. 80–88. Proc. Second International Workshop, University of California, Davis.Google Scholar
Cammell, S.B., Beever, D.E., Skelton, K.V. and Spooner, M.C. (1981). Laboratory Practice, 30, 115–119.Google Scholar
Cammell, S.B., Thomson, D.J., Beever, D.E., Haines, M.J., Dhanoa, M.S. and Spooner, M.C. (1986). British Journal of Nutrition (in the press).Google Scholar