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Growth and development of offspring following supplementation of sow diets with oil during mid to late gestation

Published online by Cambridge University Press:  01 November 2007

J. Laws ,
A. Laws ,
I. J. Lean ,
P. F. Dodds  and
L. Clarke
J. Laws
Affiliation:
Department of Agricultural Sciences, Imperial College London, Wye TN25 5AH, UK
A. Laws
Affiliation:
Department of Agricultural Sciences, Imperial College London, Wye TN25 5AH, UK
I. J. Lean
Affiliation:
Department of Agricultural Sciences, Imperial College London, Wye TN25 5AH, UK
P. F. Dodds
Affiliation:
Department of Agricultural Sciences, Imperial College London, Wye TN25 5AH, UK
L. Clarke*
Affiliation:
Department of Agricultural Sciences, Imperial College London, Wye TN25 5AH, UK
*
E-mail: [email protected]
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Abstract

This study aimed to determine the consequences of altering the fatty acid profile of sow diets during mid-to-late gestation; oils of different fatty acid composition were chosen as energy supplements to provide diets with different fatty acid profiles. Forty-eight multiparous sows were used to evaluate the effects of fat supplementation from day 60 of gestation until parturition. Sows were allocated to either 3 kg/day of commercial sow pellets (control; C) or an experimental diet consisting of 3 kg/day of commercial sow pellets supplemented with 10% extra energy in the form of excess pellets (E), palm oil (P), olive oil (O), sunflower oil (S) or fish oil (F). From days 0 to 60 of gestation, all sows were given 3 kg/day of sow pellets as for the C group. The E diet resulted in the heaviest piglets at birth whereas the offspring of O and S sows were the lightest at birth. The offspring of S sows remained lighter throughout the pre-weaning period, and were also the leanest by 14 days of age. In contrast, pigs born to S sows possessed more fat by the time they reached commercial end point (≈140 days of age). In conclusion, altering the fatty acid profile of the sow diet during the second half of gestation has long-term consequences for the development of their offspring.

Keywords

growthoilpiglets weight gain
Type
Full Paper
Information
animal , Volume 1 , Issue 10 , November 2007 , pp. 1490 - 1496
Copyright
Copyright © The Animal Consortium 2007

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