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Performance responses and partitioning of nutrients in steers fed on either grass silage or grass silage and concentrate at similar levels of metabolisable energy intake

Published online by Cambridge University Press:  20 November 2017

E.J. Kim ,
A. Cooper ,
D.S. Parker ,
J.M. Dawson ,
P.J. Buttery ,
M.S. Dhanoa  and
N.D. Scollan
E.J. Kim
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystwyth, SY23 3EB, UK Department of Biological and Nutritional Sciences, University of Newcastle, Newcastle upon Tyne, NE1 7RU, UK
A. Cooper
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystwyth, SY23 3EB, UK
D.S. Parker
Affiliation:
Department of Biological and Nutritional Sciences, University of Newcastle, Newcastle upon Tyne, NE1 7RU, UK
J.M. Dawson
Affiliation:
University of Nottingham, Loughborough LE12 5RD, UK
P.J. Buttery
Affiliation:
University of Nottingham, Loughborough LE12 5RD, UK
M.S. Dhanoa
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystwyth, SY23 3EB, UK
N.D. Scollan
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystwyth, SY23 3EB, UK
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Extract

It is generally accepted that diets for beef cattle containing a high proportion of grass silage compared to concentrates may result in poorer performance responses (intake, liveweight gain). Scollan et al. (1999) reported that in comparison to feeding grass silage alone, supplementing with additional concentrates increased growth rates, but the animals achieved the same amounts of carcass protein whilst depositing more fat. This study examined the effect of feeding a grass silage alone compared to silage and concentrate at the same level of metabolisable energy (ME) intake on animal performance and body composition.

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2000 , 2000 , pp. 74
Copyright
Copyright © The British Society of Animal Science 2000

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References

Scollan, N.D., Cooper, A., Dhanoa, M.S., Wright, M., Dawson, J.M. and Buttery, P.J. 1999. Performance responses and partitioning of nutrients by Hereford x Friesian steers fed on grass silage based diets. Proceedings of the 12th International Silage Conference, pp. 218–219.Google Scholar