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The contribution of fat mobilization to the regulation of fat deposition in growing Large White and Piétrain pigs

Published online by Cambridge University Press:  02 September 2010

S. H. M. Metz  and
R. A. Dekker
S. H. M. Metz
Affiliation:
Institute for Livestock Feeding and Nutrition Research, Runderweg 2, Lelystad, The Netherlands
R. A. Dekker
Affiliation:
Institute for Livestock Feeding and Nutrition Research, Runderweg 2, Lelystad, The Netherlands
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Abstract

The contribution of fat mobilization to the regulation of fat deposition was investigated in intensively fed, rapidly growing pigs of the breeds Large White and Pietrain. The results indicate that no quantitative differences in fat mobilization parameters existed between the breeds. In both breeds the concentration of non-esterified fatty acids i n blood serum, measured 8h after a meal, was very low, and the fatty acid composition of the non-esterified fatty acids did not reflect the variation in fatty acid composition of the body fat that existed between groups of pigs within each breed. Additionally, the fraction of body fat that was mobilized per day was calculated to be zero for both breeds. It is concluded from these results that the observed differences in fat deposition between Large White (195g/day) and Pietrain (130g/day) were definitely not the consequence of fat mobilization.

Type
Research Article
Information
Animal Production , Volume 33 , Issue 2 , October 1981 , pp. 149 - 157
Copyright
Copyright © British Society of Animal Science 1981

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