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Organic selenium sources for swine - how do they compare with inorganic selenium sources?



Organic selenium sources for swine - how do they compare with inorganic selenium sources?



Biotechnology in the feed industry: Proceedings of Alltech' s Tenth Annual Symposium: 323-333



Selenium metabolism from inorganic and organic sources is reviewed. Feeding organic Se increases tissue concentrations of Se, especially in muscle. This is attributed to substitution of selenomethionine for methionine. Selenomethionine, although not the biologically active form of Se, seems to be stored in proteinaceous tissue, and upon muscle catabolism can be a source of Se for subsequent synthesis of various body selenoproteins.

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