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Effect of various levels of imbalance between energy and nitrogen supplies in the rumen on nitrogen metabolism in growing double-muscled Belgian Blue bulls fed maize silage based diet

Published online by Cambridge University Press:  23 November 2017

D. Valkeners ,
Y. Beckers ,
S. Amant  and
A. Théwis
D. Valkeners*
Affiliation:
Gembloux Agricultural University, Passage des Déportés 2, 5030 Gembloux, Belgium
Y. Beckers
Affiliation:
Gembloux Agricultural University, Passage des Déportés 2, 5030 Gembloux, Belgium
S. Amant
Affiliation:
Gembloux Agricultural University, Passage des Déportés 2, 5030 Gembloux, Belgium
A. Théwis
Affiliation:
Gembloux Agricultural University, Passage des Déportés 2, 5030 Gembloux, Belgium
*
Email: [email protected]
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Extract

In a previous study, Valkeners et al. (2004) reported that feeding a concentrate-based diet with an imbalance between energy and N release in the rumen did not greatly influence the N balance of double-muscled Belgian Blue (dm-BB) bulls if daily ruminal degradable N (RDN) and fermentable OM (FOM) ratio did not exceed 6.2 g RDN/kg FOM. The objective of the present study was to examine the effects of a higher level of imbalance between energy and N release in the rumen on microbial protein synthesis and N metabolism in dm-BB bulls fed maize silage based diet.

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2005 , 2005 , pp. 184
Copyright
Copyright © The British Society of Animal Science 2005

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References

Valkeners, D., Beckers, Y., Théwis, A. 2004. Effect of various levels of imbalance between energy and nitrogen supplies on nitrogen metabolism in growing double-muscled Belgian Blue bulls. Proceedings of the British Society of Animal Science, 192.Google ScholarPubMed
Veenhuizen, J. J., McGilliard, A. D. and Young, J. W. 1984. Apparatus for total collection of urine from steers. Journal of Dairy Science. 67: 1865–1867.CrossRefGoogle Scholar