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The influence of diet and hence ammonia on energy and nitrogen metabolism across splanchnic tissues in growing cattle

Published online by Cambridge University Press:  24 November 2017

S A Maltby ,
D E Beever ,
M A Lomax ,
L A Crompton  and
C J Pippard
S A Maltby
Affiliation:
Dept Physiol. & Biochem., University of Reading, Whiteknights, Reading RG6 2AJ.
D E Beever
Affiliation:
Dept Agriculture, University of Reading, Whiteknights, Reading RG6 2AJ.
M A Lomax
Affiliation:
Dept Physiol. & Biochem., University of Reading, Whiteknights, Reading RG6 2AJ.
L A Crompton
Affiliation:
Dept Physiol. & Biochem., University of Reading, Whiteknights, Reading RG6 2AJ.
C J Pippard
Affiliation:
Dept Physiol. & Biochem., University of Reading, Whiteknights, Reading RG6 2AJ.
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Extract

Metabolisable energy (ME) and absorbed protein appear to be more efficiently utilised for tissue gain in ruminants fed cereal compared to forage diets but the mechanisms involved are not understood. Forage and cereal diets differ in their pattern of rumen fermentation and hence the relative proportions of absorbed nutrients such as ammonia (NH3) and VFA (Seal et al, 1991). Splanchnic bed metabolism has been demonstrated to extensively modify both the quantity and form of absorbed nutrients (Reynolds et al, 1991) and therefore is an important site for the regulation of nutrient supply to the peripheral tissues. The present study was thus designed to examine the effect of forage versus cereal diet upon splanchnic nutrient metabolism in growing cattle.

Type
Ruminant Metabolism
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1993: Winter meeting , March 1993 , pp. 53
Copyright
Copyright © The British Society of Animal Production 1993

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References

Seal, C.J, Parker, D.S and Avery, P.J (1992) Br J Nut 67, 355 CrossRefGoogle Scholar
Reynolds, C.K, Tyrrell, H.F and Reynolds, P.J (1991) J Nutr 121, 1004 CrossRefGoogle Scholar