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The effect of forage type and host animal diet on the in situ rumen degradation of grass silage and pea/wheat bi-crops containing different pea varieties

Published online by Cambridge University Press:  20 November 2017

M.B. Salawu ,
A.T. Adesogan  and
R.J. Dewhurst
M.B. Salawu
Affiliation:
Institute of Rural Studies, University of Wales, Aberystwyth SY23 3AL, UK
A.T. Adesogan
Affiliation:
Institute of Rural Studies, University of Wales, Aberystwyth SY23 3AL, UK
R.J. Dewhurst
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystwyth SY23 3EB, UK
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Extract

Compared to grass silage, pea/wheat bi-crops produce higher dry matter (DM) yields, higher feed intakes and nitrogen (N) retention (Adesogan et al., 2000). The improved performance of animals fed bi-crops may be due to a postulated synchronous supply of readily fermentable energy and protein for ruminal microbial protein synthesis. This study attempted to validate this theory by measuring the rumen degradability of grass silages and pea/wheat bi-crop silages containing different pea varieties. To determine if grass silage-fed animals could be used to determine the degradability of bi-crops, the effect of host animal diet on rumen degradation was also examined.

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2001 , 2001 , pp. 87
Copyright
Copyright © The British Society of Animal Science 2001

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References

Adesogan, T.A., Salawu, M.B. and Deaville, E.R. 2000. The effect of proportion of peas to wheat and harvest date on the voluntary feed intake, in vivo digestibility and nitrogen retention of pea-wheat bi-crop silages by sheep. Proceedings of the Winter Meeting of the British Society of Animal Science, Scarborough.Google Scholar
McDonald, I. 1981. A revised model for the estimation of protein degradability in rumen. Journal of Agricultural Science, Cambridge 96: 251–252.CrossRefGoogle Scholar