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  • Title: Selenium content and glutathione peroxidase activity in tissues of the dairy cow after short-term feeding.
    Author: Harrison JH, Conrad HR.
    Journal: J Dairy Sci; 1984 Oct; 67(10):2464-70. PubMed ID: 6501656.
    Abstract:
    The effect of selenium and vitamin E on concentrations of selenium and selenium-dependent glutathione peroxidase in tissues of dairy cows was studied. Selenium (5 mg/day) and vitamin E (2 g/day) were supplemented for 10 days in a 2 X 2 factorial arrangement. Selenium supplementation increased content of selenium in whole blood, plasma, ovary, and liver and increased activity of selenium-dependent glutathione peroxidase in liver. Activity of selenium-dependent glutathione peroxidase in follicular fluid was closely correlated with selenium-dependent glutathione peroxidase in plasma. Significant activity of selenium-dependent glutathione peroxidase was detected in luteal tissue of the ovary. Relationships were linear between content of selenium and selenium-dependent glutathione peroxidase in ovary, uterus, and adrenal tissues.
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