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| SelenoSource™AF | |
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Highest Bioavailability |
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| Introduction
Bioavailability Dairy
Cattle
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SelenoSource
AF is more bioavailable.
In a recently conducted study with 800 commercial broiler chickens (Table 1), the relative recovery of SelenoSource AF was assessed per kg of body weight. This study established that the amount of selenium available from SelenoSource AF should be an integral part of feeding programs, especially those where stress and maximum production are critical. The Importance of Bioavailability. Other research work has also shown that organic selenium is more bioavailable than inorganic selenium. In addition, selenium concentrations as well as glutathione peroxidase (GSHPx) activity are maintained for a longer period after supplementation with organic selenium. Hence, organic selenium when fed is in a "ready to use" form and can be incorporated into functional selenoproteins required by the body without reduction and methylation to selenides as is the case with sodium selenate or selenite. In addition, inorganic selenium does not contribute to the storage pool i.e., cannot be stored in muscles, colostrums and milk protein, egg white and egg yolk. Consequently, the antioxidant defense system and immunity during stress, parturition, neonatal and embryonic stage is compromised when inorganic selenium is used. This explains why SelenoSource AF is recommended to be fed to livestock and poultry.
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