Background last update:19 May 2011

Organic selenium does a better job in ruminant diets

Selenium supplementation of dairy and beef diets is necessary based on the prevalence of selenium deficiency in grains and fodder over large areas of the US. The reduced biological activity of inorganic selenium compared to seleno-amino acid supplements is confirmed by laboratory and field studies.

Feed Tech, Vol 8 nr 2, 2004

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