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Relationship of dietary selenium to selenium in plasma and milk from dairy cows

Relationship of dietary selenium to selenium in plasma and milk from dairy cows

Journal of Dairy Science 63(4): 532-537

In a 13-wk trial Holstein-Friesian cows in mid-lactation were fed 4 diets containing natural Se alone or supplemented with 0.1, 0.2 or 0.5 mg inorganic Se/kg diet. Dietary Se concn. averaged 0.334, 0.385, 0.456 and 0.772 mg/kg. Plasma Se in wk 7 averaged 0.112 mu g/ml with no differences among treatments; milk Se ranged from 0.040 to 0.064 mu g/ml and was higher in the 2 higher Se diets. In wk 13 Se in plasma and milk averaged 0.119 and 0.054 with no treatment differences.

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Accession: 000734189

Download citation: RISBibTeXText

PMID: 7381079

DOI: 10.3168/jds.s0022-0302(80)82968-7

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