| Introduction
Quality
Bioavailability
Profile
AF 2000
AF 600
Process
Dairy Cattle
Beef Cattle
Swine
Broiler
Chickens
Chicken Breeders
Laying Hens
Market Turkeys
Turkey Breeders
Horses
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Sources of
Selenium
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Selenium is found
naturally in some feeds, although concentrations vary greatly by
feedstuff and the region in which the feedstuff originated. Selenium
may be supplemented in either the organic or inorganic form.
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Organic selenium is
composed largely of selenomethionine and selenocysteine, while
inorganic selenium is simply a salt, usually sodium selenite or
sodium selenate. Selenium-enriched yeast is an excellent source of
organic selenium.
Bioavailability
of Selenium Sources
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Industry research
indicates that organic selenium is better absorbed than inorganic
selenium.
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Selenium-enriched yeast,
an organic source, is more digestible and better retained than
inorganic selenium salts such as sodium selenite or sodium selenate.
Why Add
SelenoSource AF to Your Equine Diets?
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Normal selenium intake through feeds and forage will
typically not meet the horse’s selenium requirement.
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Sub-clinical signs of selenium deficiency are
typically not recognized, but negatively affect equine health and
performance by depressing antioxidant status.
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Inadequate selenium status impairs reproductive
performance, colostrum quality and the transfer of selenium to foals
through the milk.
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Performance horses require added selenium to
maintain energy for fueling muscle activity and for muscle recovery
after strenuous exercise.
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Selenium yeast in the most bioavailable source of
supplemental selenium on the market today.
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Selenomethionine within SelenoSource AF may be
stored in the muscle for when it is needed most.
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SelenoSource AF has the highest selenomethionine
content of any selenium yeast product.
The FDA indicates that it will allow the use of selenium
yeast in equine diets at levels up to 0.3 ppm of supplemental selenium.
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