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Purina® Ultium® Growth Horse Formula

Ultium Growth - JPGPurina® Ultium® Growth Horse Formula is a super-premium, high-fat, high-fiber horse feed researched and formulated specifically for broodmares and young growing horses. Backed by scientific research spanning over four years monitoring and measuring growth curves, body condition, joint health, activity levels, blood work and more, this unique, industry-leading nutrition supports the development, growth and adaptive physiology necessary to produce a strong, healthy, athletic horse.

Feed Form: Pellets and Extruded Nuggets

Recommended For: Mares in foal, lactating mares, suckling foals, weanlings, yearlings and two-year-olds up to skeletal maturity


Unique Blend of Pellets and Patented, Extruded, High-fat Purina® Amplify Nuggets
  • Palatable and highly digestible for young horses and broodmares; is nutrient dense and highly efficient so you can feed less. Proprietary blend of vegetable oils, flaxseed and rice bran provide an optimal Omega 3 and 6 fatty acid profile that supports immune function.
Sustained Energy System®
  • Contains a unique blend of three fuel sources: Fats, Fermentable Fibers and Soluble Carbohydrates (controlled starch and sugar) that provide a “steady” flow of energy for developing and growing foals.
Proprietary Blend of Vegetable Oils
  • A blend of vegetable oils and naturally-occurring oils in rice bran and flaxseed help promote balanced immunity, smooth growth rates and shiny coats.
Targeted Nutrition Delivery™ System
  • Transports nutrients efficiently to where they are needed most. Unique individual amino acid formulation supports strong muscle development and growth. The balance of nutrients supports proper joint and long bone maturity. It all sets the stage for the young athlete to start off right and continue on the correct path to competition.
Highly Digestible Fibers Including Beet Pulp and Soy Hulls
  • Provides fermentable fiber to the hindgut for a slow-release calorie source that helps support weight maintenance and consistent lactation in broodmares
Reduced Starch and Sugar
  • Reduced starch and sugar combined with feeding higher levels of fat and digestible fiber helps to minimize the risk of hindgut disturbances associated with high starch feeding practices.
Supportive Antioxidants such as Vitamin E and Selenium 
  • Help support cellular metabolism and a strong immune system.
Nutritionally Balanced 
  • Provides 100% of the required nutrients for horses when fed as directed* so no additional supplements are necessary. *Based on “Nutrient Requirements of Horses Sixth Revised Edition – 2007” published by the National Research Council.
Consistently Fresh, Quality, Natural, Highly Digestible Ingredients
  • Superior, consistent, natural ingredients that provide nutrient density and support proper digestion.
Balance of Vitamins and Minerals such as Copper, Zinc, Calcium, and Phosphorus
  • Essential ratios and quantities of these key vitamins and minerals help assure proper fetal stores during gestation, milk levels during lactation and tissue concentrations for continued growth.
FeedGuard® Nutrition System
  • The FeedGuard® Nutrition System is one of the industry’s most innovative and exacting quality assurance programs. FeedGuard® Nutrition System can help deliver the trust, quality and performance that horse professionals demand every day.


Ultium® Growth Horse Formula

Minimum Hay or Equivalent Pasture*7.009.512.014.517.00
Gestating Mare, last 90 days3.
Lactating Mare**
Minimum Hay or Equivalent Pasture**
Growing Horses, Weanlings and 2 Year Olds***6.50-7.507.00-7.756.25-8.256.75-9.007.00-9.007.25-9.007.00-8.756.75-8.50

*These recommendations are based on the mare or growing horse eating the minimum recommended amount of hay per day (1.2 lbs per 100 lbs of body weight for mature horses, 1.0 lb per 100 lbs body weight for 300 to 400 lb weanlings, or 1.2 lbs per 100 lbs body weight for 500 to 1,000 lb for every 2 lbs of additional hay fed. EXAMPLE: Using the chart above, if feeding 16 lbs of hay to a 1,000 lb lactating mare, reduce Ultium® Growth Horse Formula offered by 2.0 lbs from 11.25 to 9.25 lbs per day (4.0 lbs of additional hay divided by 2.0 lbs= 2.0 less of Ultium® Growth Horse Formula).
**Do not feed less than 0.45 lbs of Ultium® Growth Horse Formula per 100 lbs of body weight per day for lactating mares. EXAMPLE: 4.5 lbs for 1,000 lb mare. Do not feed less than .9 lbs of Ultium® Growth Horse Formula per 100 lbs body weight for weanlings 700 lbs or less. EXAMPLE: 3.6 lbs for 400 lb weanling. For growing horses weighing over 700 lbs, do not feed less than .65 lbs per 100 lbs body weight. EXAMPLE: 6.5 lbs for a 1,000 lb growing horse. If your horse gains too much weight at that minimum feeding rate, then you should replace Ultium® Growth Horse Formula with Nature's Essentials Enrich 32 Horse Supplement, and feed according to feeding directions
***Adjust amount fed to achieve desired growth rates.  Feed amounts from lower end of range for more moderate growth rate and amounts from upper end of range for more rapid growth rate. For growing horses in training, adjust feeding rate to maintain body condition according to level of work, making any changes in feed gradually.

For suckling foals, begin offering feed within 2 weeks of birth.  Feed 1.0 lb of Ultium® Growth Horse Formula per month of age per day.  EXAMPLE: For a 2-month old suckling foal, feed 2.0 lbs per day added to the mare's ration or fed in a separate creep feeder.

Important Considerations:

  • Do not feed free-choice
  • Feed at regular times (at least twice daily). When feeding rates exceed 1% of body weight, three daily feedings are preferred
  • Any feed changes should be made gradually over a period of 7 to 10 days
  • Changes in the rate of feeding should not exceed one pound per day for each horse
  • Feed along with at least 1-1.5% of horse’s body weight of good quality hay or the equivalent in pasture to make a complete ration
  • Have plenty of fresh, clean water available at all times
  • Prevent the rapid eating by the horse of any feed stuffs
  • Store feed in a dry, well-ventilated area protected from rodents and insects
  • Do not feed moldy or insect-infested feed to animals as it may cause illness or death
  • This product to be fed to the animal species as directed on the label
  • In addition to nutritional care and consultation, be sure to make regular veterinary checkups and farrier appointments part of your horse wellness program


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