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The partition and utilisation of energy in the pregnant sow

Published online by Cambridge University Press:  21 November 2017

W.H. Close
W.H. Close*
Affiliation:
Animal and Grassland Research Institute, Church Lane, Shinfield, Reading, RG2 9AQ, Berks
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Extract

To determine the energy requirements for pregnancy it is necessary to know the animal's requirements for both maintenance (MEm) and tissue deposition. MEm represents the intake at which both metabolizable energy (ME) intake and heat loss are equal and therefore in energy equilibrium. The eneroy requirement for tissue deposition comprises energy retained as protein and fat in both the gravid uterus and maternal body, together with the energy associated with their deposition. There is little available information to show whether the requirements for maintenance and for tissue deposition change during pregnancy and the present experiments have been designed to provide this information for the sow.

Type
Pig Production
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1986 , March 1986 , pp. 16
Copyright
Copyright © The British Society of Animal Production 1986

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References

Agricultural Research Council (1981) The Nutrient Requirements of Pigs. Commonwealth Agricultural Bureaux, Slough.Google Scholar
Lee, P.A. and Close, W.H. (1986) This Meeting, Paper No. 17.Google Scholar
Lee, P.A. and Mitchell, K.G. (1984) Anim. Prod., 38, 528, abs. 31.Google Scholar