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The effect of branched chain fatty acids and fishmeal on voluntary intake by young cattle offered grass silage

Published online by Cambridge University Press:  22 November 2017

M. Gill ,
P.J. Buttery ,
P. England ,
J.M. Dawson  and
D.E. Beever
M. Gill
Affiliation:
The Animal and Grassland Research Institute, Hurley, Maidenhead, Berks SL6 SLR
P.J. Buttery
Affiliation:
University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, Leices
P. England
Affiliation:
The Animal and Grassland Research Institute, Hurley, Maidenhead, Berks SL6 SLR
J.M. Dawson
Affiliation:
The Animal and Grassland Research Institute, Hurley, Maidenhead, Berks SL6 SLR
D.E. Beever
Affiliation:
The Animal and Grassland Research Institute, Hurley, Maidenhead, Berks SL6 SLR
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Extract

Fishmeal addition to grass silage generally improves growth in young cattle, but the response in terms of silage intake is more variable. Where there is a positive response in intake, this would appear to be partially attributabl to a ruminal effect whereby fishmeal increases rumen digestion. Degradation of fishmeal in the rumen may lead to the production of branched chain volatile acids (BCVA) which have been shown to increase fibre digestion (Gorosito et al. 1985). The experiment reported here was undertaken to compare the effect of BCVA and fishmeal supplementation on silage intake.

Type
Ruminant Nutrition
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1986 , March 1986 , pp. 134
Copyright
Copyright © The British Society of Animal Production 1986

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References

Gorosito, A.R., Russell, J.B. & Van soest, P.J. (1985). J. Dairy Sci., 68: 840–847.CrossRefGoogle Scholar
Papas, A.M., Ames, S.R., Cook, R.M., Sniffen, C.J., Polan, C.E., Chase, L. (1984). J. Dairy Sci., 67: 276–293.Google Scholar
Richardson, C.R., Preston, R.L., Pritchard, R.H. & Deetz, L.E. (1984). J. Anira. Sci., 59: 438.Google Scholar