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Selenium Biochemistry and Bioavailability: Implications for Animal Agriculture

1
School of Biomedical Sciences, University of Queensland, St Lucia, QLD 4072, Australia
2
Department of Poultry Science, Khyber Pakhtunkhwa Agricultural University, Peshawar 25120, Pakistan
3
School of Agriculture and Food Sciences, University of Queensland, Gatton, QLD 4343, Australia
*
Author to whom correspondence should be addressed.
Academic Editor: Les Copeland
Agriculture 2015, 5(4), 1277-1288; https://doi.org/10.3390/agriculture5041277
Received: 20 September 2015 / Revised: 26 November 2015 / Accepted: 10 December 2015 / Published: 14 December 2015
(This article belongs to the Special Issue Nutritional Toxicology and Animal Nutrition)
Selenium (Se) is an essential trace mineral required for growth, development, immune function, and metabolism. Selenium exerts its biological effects as an integral component of selenoproteins (SePs). Deficiency or low Se status leads to marked changes in many biochemical pathways and a range of pathologies and disorders which are associated with SeP function. Animals, and presumably humans, are able to efficiently utilize nutritionally adequate levels of Se in both organic and inorganic forms. It is now clear that the bioavailability of Se varies depending on the source and chemical form of the Se supplement. There are a range of products available for dietary Se supplementation, however, organic sources have been shown to be assimilated more efficiently than inorganic compounds and are considered to be less toxic and more appropriate as a feed supplement. Yeast enriched with Selenohomoalanthionine (SeHLan) has recently become commercially available, and initial research suggests that it may be an efficacious source for the production of Se enriched animal products. View Full-Text
Keywords: selenium; selenoproteins; biochemistry; bioavailability; deficiency; excess; requirements; supplements; organic compounds selenium; selenoproteins; biochemistry; bioavailability; deficiency; excess; requirements; supplements; organic compounds
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Shini, S.; Sultan, A.; Bryden, W.L. Selenium Biochemistry and Bioavailability: Implications for Animal Agriculture. Agriculture 2015, 5, 1277-1288.

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