Metabolic response to fasting as affected by late
gestation nutrition and selection line in lambs

S. Husted; M. P. Tygesen; M. O. Nielsen

doi:10.22358/jafs/73974/2004

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Suppl. 1/2004 vol. 13

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Metabolic response to fasting as affected by late gestation nutrition and selection line in lambs

S. Husted ¹

M. P. Tygesen ¹

M. O. Nielsen ¹

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Department of Animal and Veterinary Basic Sciences, The Royal Veterinary and Agricultural University, Grønnegårdsvej 7, DK-1870 Frederiksberg C, Denmark

Publication date: 2004-08-30

Corresponding author

M. O. Nielsen

Department of Animal and Veterinary Basic Sciences, The Royal Veterinary and Agricultural University, Grønnegårdsvej 7, DK-1870 Frederiksberg C, Denmark

J. Anim. Feed Sci. 2004;13(Suppl. 1):491-494

DOI: https://doi.org/10.22358/jafs/73974/2004

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metabolic programming

ABSTRACT

The effects of 1. feeding level (norm versus 60% of norm) during late gestation, and 2. seletion line (daily weight gain versus carcass meat content) on subsequent metabolic adaptability to a 24 h fasting period in 10 week old lambs were studied. Higher glucose levels were maintained during fasting in lambs nutritionally restricted pre-natally, but NEFA levels increased more compared to non-restricted lambs. Foetal metabolic programming thus seem to be associated with more labile adipose tissue pools. Selection for carcass meat content induced similar changes in metabolic adaptability as foetal nutritional restriction, and the effects seemed to be additive.

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