J. Anim Sci.
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J. Anim Sci. 1973. 37:87-90.
© 1973 American Society of Animal Science
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Influence of Supplemental Dietary Copper and Vitamin E on the Oxidative Stability of Porcine Depot Fat

M. A. Amer1, 2, and J. I. Elliot3

Macdonald College of McGill University, Ste. Anne de Bellevue, P.Q., Canada

Abstract

EIGHTY-FOUR pigs were employed in two trials to study the effect of dietary supplements of copper and vitamin E on the growth of pigs and on the composition and stability of their depot fat. Neither copper nor vitamin E significantly affected the growth rate or feed efficiency of the pigs. Supplemental copper significantly (P<.01) decreased the melting point of the depot fat by increasing the proportions of UFA contained therein. These changes increased the oxidative susceptibility of the depot fat. Further supplementation of the diets with vitamin E improved the oxidative stability of the depot fat from copper-fed pigs.

Footnotes

1 Present Address: Centre des Recherches en Nutrition, Universite Laval, Ste-Foy, P. Quebec.

2 Supported by a grant from the Quebec Agricultural Research Council. The senior author was the recipient of a National Research Council Postgraduate Scholarship.

3 Present Address: Animal Research Institute, C.D.A., Ottawa, Ontario, Canada.




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J. L. Hasty, E. van Heugten, M. T. See, and D. K. Larick
Effect of vitamin E on improving fresh pork quality in Berkshire- and Hampshire-sired pigs
J Anim Sci, December 1, 2002; 80(12): 3230 - 3237.
[Abstract] [Full Text] [PDF]


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