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The relationship between feed composition and the efficiency of protein utilisation in young pigs

Published online by Cambridge University Press:  24 November 2017

I Kyriazakis ,
G C Emmans  and
A J Taylor
I Kyriazakis
Affiliation:
Genetics and Behavioural Sciences Department, SAC Edinburgh, West Mains Road, Edinburgh EH9 3JG
G C Emmans
Affiliation:
Genetics and Behavioural Sciences Department, SAC Edinburgh, West Mains Road, Edinburgh EH9 3JG
A J Taylor
Affiliation:
BOCM Silcock, Basing View, Basingstoke, Hampshire RG21 2EQ
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Extract

The quantification of the relationship between feed composition and the efficiency of protein utilisation is a critical step in any model intended to predict the responses of an animal to its diet as rates of protein and lipid retention. Current descriptions of this relationship propose that the efficiency of protein utilisation (ep) is constant and independent of energy supply (Stranks et al, 1988), that ep is a function of protein intake only (ARC, 1981) or that it is a complicated function of the supply of energy at constant protein intake (Fuller and Crofts, 1977). The objective of the two experiments described here, was to define the form of the relationship between feed composition and ep, by using suitable experimental designs.

Type
Pig Nutrition: 2
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1992 , March 1992 , pp. 16
Copyright
Copyright © The British Society of Animal Production 1992

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References

Agricultural Research Council (1981). The Nutrient Requirements of Pigs. CAB, Slough. Google Scholar
Fuller, M R and Crofts, R M J (1977). British Journal of Nutrition 38: 479–488.Google Scholar
Stranks, M H et al (1988). Research and Development in Agriculture 5: 71–88.Google Scholar