You asked: What does vitamin E and selenium do for horses?

Another selenoprotein is a muscle protein in which deficiency is known to begin muscular degeneration. This is a link between selenium and muscle integrity separate from selenium’s antioxidant properties. Selenium and vitamin E supplementation has been used to prevent muscle disorders (tying-up) in some horses.

What are the symptoms of selenium deficiency in horses?

Deficiency in selenium can cause a variety of symptoms in horses, including myopathy (muscle disease), impaired movement, difficulty in suckling and swallowing, respiratory distress and impaired heart function.

What does selenium do in horses?

Selenium has important functions in your horse’s body. It is an anti-oxidant that in conjunction with vitamin E, prevents free radicals from damaging otherwise healthy cells. Selenium is also important for maintaining adequate levels of circulating thyroid hormone.

What are the signs of vitamin E deficiency in horses?

Symptoms of Vitamin E Deficiency in Horses

  • Gait abnormalities.
  • Dry or damaged coat.
  • Muscle weakness or trembling.
  • Prolonged laying down.
  • Rapid heartrate.
  • General stiffness or lethargy.
  • Loss of muscle mass or condition.
  • Toe dragging.

Is too much vitamin E bad for horses?

There are no studies describing toxicity in horses from too much supplementation. Vitamin E can be toxic because it is stored in fat (lipid) and is not excreted like water soluble vitamins are.

Levels of vitamin E.

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Vitamin E levels in serum
Adequate 1.5-2.4 µg/ml
Deficient less than 1.5 µg/ml

Can you feed a horse too much vitamin E?

Nutrient Requirements of Horses, produced by the National Research Council, states that relatively high intakes of vitamin E do not appear to be toxic to horses; however, an upper safe limit is noted at 1,000 IU/kg dry matter fed in other species.

What are the symptoms of low selenium?

What are the symptoms?

  • infertility in men and women.
  • muscle weakness.
  • fatigue.
  • mental fog.
  • hair loss.
  • weakened immune system.

How do I know if my horse needs selenium?


  1. Stiff gait.
  2. Sore, painful muscles.
  3. Poor performance.
  4. Muscle spasms and/or trembling.
  5. Tying up (nutritional myopathy/rhabdomyolysis)

What is the best selenium supplement for horses?

Three forms of selenium are used in feeds and supplements: inorganic sodium selenite, inorganic sodium selenate, and organic selenium yeast. The yeast form has been found to be more bioavailable than the inorganic forms, more readily raising horses’ serum selenium levels.

Is there selenium in grass hay?

Your hay analysis reports that your grass hay contains . 1 ppm of selenium. You feed 12 lbs of hay each day.

How do you know if your horse needs magnesium?

Signs of Magnesium Deficiency

  1. Nervousness/Excitability/Anxiety.
  2. Unable to relax or focus.
  3. Muscle tremors, spasm, twitching, flinching skin, trembling.
  4. Muscle pain or cramps.
  5. Not tolerant of long periods of work.
  6. Highly sensitive to sound or movement.
  7. Hypersensitive skin.
  8. Irritable moods.
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