Frequently asked questions about Micro-Phase™

What horses and ponies are at the greatest risk for vitamin and trace mineral deficiencies?

  • Easy keepers eating low-grain diets or those on restricted pasture
  • Horses and ponies in light work consuming all-forage diets
  • Horses and ponies fed unfortified grains
  • Horses and ponies on restricted diets due to obesity issues
  • Older horses and ponies that are unable to digest and absorb nutrients efficiently



My horse eats some grain, but not as much as the manufacturer recommends. Is he still getting the nutrition he needs?

If you are not feeding the recommended amount of a certain feed, your horse may not be getting all the nourishment he or she needs. Fortified concentrates contain appropriate levels of vitamins and minerals, when fed at the recommended levels, but some ponies and horses become overweight when fed these calorie-rich concentrates (textured or pelleted feeds). When owners cut back to reduce the energy they are feeding, they also cut back on the vitamins and trace minerals their horse or pony is getting. If concentrates are not fed at recommended levels, the addition of a supplement like Micro-Phase can fill in the gaps and help to satisfy the horses’ or ponies’ vitamin and trace mineral requirements, without adding the extra unwanted calories to a ration.

How is additional supplementation beneficial to horses and ponies consuming all-forage diets?

Diets composed entirely of forage are often the healthiest for the horse’s digestive tract. However, forages, particularly dried forms such as hay, do not contain all of the vitamins and trace minerals necessary for optimal health. In fact, levels of vitamins and minerals in forage decrease significantly during harvesting and storage. Micro-Phase contains a complete complement of essential vitamins and minerals.

Is supplementation appropriate for horses and ponies that receive plain grains or under fortified-diets?

Yes. Oat is a common horse feed, but oats alone do not contain sufficient levels of minerals and vitamins for some classes of horses, such as hard-working performance horses, seniors, yearlings, and broodmares in late gestation or those nursing foals. Oats alone, or fortified concentrates “cut” with oats, may not meet a horse’s vitamin and trace mineral requirements. With the addition of a complete vitamin and trace mineral supplement like Micro-Phase, horses are assured proper vitamin and mineral fortification.

In what form does Micro-Phase come?

Micro-Phase is an alfalfa-based pelleted supplement. It is fed at the rate of 2 to 4 ounces per day. It can be fed alone or mixed with a little feed. It is very palatable and is readily eaten.

Exactly what vitamins and minerals are offered in Micro-Phase?

Fifteen vitamins and minerals are found in Micro-Phase: calcium, phosphorus, copper, selenium, zinc, vitamin A, vitamin D, natural vitamin E, thiamine, choline, folic acid, niacin, pantothenic acid, riboflavin, and vitamin B12. Micro-Phase also contains the probiotics in the form of yeast that support a healthy GI tract and optimal nutrient absorption.

Micro-Phase contains natural vitamin E. Why is natural vitamin E important?

The vitamin E content of dried forages such as hay and hay cubes is severely diminished, with such forages losing more than 75% of their vitamin content upon harvesting and storage. Therefore, vitamin E supplementation is most critical for horses that are confined to stalls and fed diets composed largely of preserved forages, e.g., racehorses, show horses, sale horses, easy keepers, and convalescing horses). Current research shows that the natural vitamin E found in Micro-Phase is two to three times more potent than the synthetic E found in many other supplements.

Are the nutrients in Micro-Phase easily digested by horses and ponies?

Yes. Many of the minerals in Micro-Phase are chelated, which means they have been chemically bound to certain organic compounds that shield the mineral from external influences during digestion and support intestinal absorption. Added yeast cultures help to maintain digestive tract health, which also supports optimal nutrient absorption.

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