SKU: 40203883219

Purina® Omolene® #400 Complete Advantage Horse Feed

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Description

Purina® Omolene® #400 Complete Advantage Horse FeedComplete feed with built in forage for breeding and competition horses It took over 100 years of industry leading research and innovation to build todays Purina Omolene horse feed lineup. We started with naturally nutritious high quality whole grains packed with antioxidants, phytonutrients and prebiotic fibers. From there, countless nutrition studies and feeding trials at the Purina Animal Nutrition Center led to scientific breakthroughs that keep

Complete feed with built-in forage for breeding and competition horses

It took over 100 years of industry-leading research and innovation to build today’s Purina® Omolene® horse feed lineup. We started with naturally nutritious high-quality whole grains packed with antioxidants, phytonutrients and prebiotic fibers. From there, countless nutrition studies and feeding trials at the Purina Animal Nutrition Center led to scientific breakthroughs that keep our formulas on the cutting-edge of equine nutrition and performance. Because only innovations proven to have the highest level of performance and safety earn their place in Purina® Omolene® horse feeds, you can feed with full confidence. Whether you need to fuel intense competitive performance, support your horse’s gastric health or nourish the growth of the next generation of equine athletes, Omolene® feeds are built to help solve your toughest nutritional challenges.

When there’s greatness on the inside, it shows on the outside.

Features & Benefits

Added Loose Beet Pulp Shreds

Provides an excellent source of fermentable fiber for slow release energy

Built-in Forage

To completely or partially replace the hay or pasture in the horse’s diet

Healthy Appearance

Contains Purina® Amplify® high fat nugget to maintain body condition shine and bloom

Low Dust Ingredients

Contains no barley, oats or alfalfa

Purina® Amplify® High-Fat Nugget

A proprietary blend of vegetable oils, flax seed and rice bran for weight gain, performance, shine & bloom

Soy-Blend Molasses

Helps to prevent bricking in the winter and drying out in the summer

Vitamin & Mineral Fortification

Provides 100% of the required vitamins and minerals when fed as directed

Based on “Nutrient Requirements of Horses Sixth Revised Edition–2007” published by the National Research Council

Nutrients

Nutrient Min / Max Amount
Crude Protein MIN 12.00 %
Lysine MIN 0.50 %
Crude Fat MIN 5.50 %
Crude Fiber MAX 18.00%
Acid Detergent Fiber (ADF) MAX 21.00 %
Neutral Detergent Fiber (NDF) MAX 35.00 %
Calcium (Ca) MIN 0.80 %
Calcium (Ca) MAX 1.30 %
Phosphorus (P) MIN 0.40 %
Copper (Cu) MIN 35.00 PPM
Selenium (Se) MIN 0.30 PPM
Zinc (Zn) MIN 140 PPM
Vitamin A MIN 3000 IU/LB
Vitamin E MIN 100 IU/LB

 

Feeding Directions

Lifestyle Weight of Horse in Pounds
  800 1,000 1,200
  Omolene® 400 Horse Feed (lbs/day)*
Maintenance  8.75 10.75 13.00
Light Work 10.50 13.00 15.50
Moderate Work 12.25 15.00 18.25
Early Gestation (first 250 days) 9.00 11.00 13.25


*Omolene® 400 contains high-quality roughage and can be fed without hay. If fed with hay, the feeding rates of Omolene® 400 can be reduced. To meet nutrient requirements, do not feed less than 0.6 lbs per 100 lbs of body weight per day (6 lbs per 1000-lb horse) of Omolene® 400. To meet fiber requirements, do not feed less than 1.2 lbs/100 lbs of body weight per day of Omolene® 400 and hay or pasture equivalent combined.

Changing To

  • Make the feed change gradually over a period of 7 to 10 days.
  • Mix the new feed with the old, gradually increasing the amount of the new feed while decreasing an equal amount of the old.
  • Changes in the rate of feeding should not exceed 1 pound per day for each horse.

Caution

Store 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, performance loss or death.

Important

  1. Feeding rates will vary with size, age, temperament, health status, forage quality, climate and activity level.  Feed at regular times, at least twice daily.  When fed as a complete feed, a minimum of three meals per day is recommended. Do not feed more than 0.8 lbs/100 lbs (8 lbs per 1000-lb horse) of body weight per meal. Do not feed free-choice. Prevent rapid eating by the horse of any feedstuff.
  2. Reduce and/or delay feeding a horse which is hot, excited or showing pain, has fever or diarrhea. Consult your veterinarian if any problems arise.
  3. Any feed changes should be made gradually over a period of 7 to 10 days. Changes in the rate of feeding should not exceed 1.0 lb per day for each horse.
  4. Provide fresh, clean water at all times.  Provide your horse with access to salt. Consult with your veterinarian regularly and maintain a routine dental, parasite control and health care program for your horse.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 40203883219

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Kimberly
Charlottesville, US
★★★★★ 5
Snagged a deal
Size: 7, Color: Redwood/Gum 10
I waited and waited to get these boots! I knew I was chancing it, but they went on sale, and I snagged them! I am a size 7, and they fit nicely with socks. a little loose, barefooted, but what psycho wears boots without socks? They are comfortable and really well-made.
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Reviewed in the United States on April 8, 2026
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ashlynnk
Los Angeles, US
★★★★★ 4
Cute, comfortable waterproof boots (a little snug to put on)
Size: 7, Color: Velvet Tan/Gum 2
These are really cute Chelsea-style boots and feel very comfortable once they’re on. The waterproof material is great for wet weather and the sole feels sturdy with good traction. They look stylish enough to wear casually but still feel practical for rainy days. The only downside is they can be a little difficult to put on at first because the opening is somewhat snug, but once they’re on they fit well and feel supportive. Overall they’re a great waterproof boot and I’ve enjoyed wearing them.
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Reviewed in the United States on March 17, 2026
A
Verified Purchase
Abby B
Carnegie, US
★★★★★ 5
Surprisingly great for my wide feet and high instep!
Size: 10.5, Color: Velvet Tan/Gum 2
So thrilled I took a chance on these. Finding boots is impossible for me. I have wide feet, a super high instep, a bunion on one foot, and I wear a hard to find size (10.5). I ordered the 10.5 and 11 in these expecting I might need to size up for width (if I could even get them on). It was a struggle getting the 10.5s on the first time, and once I did they were somewhat uncomfortable on the top of my left foot. But I read that they would relax so decided to give it a go because I need waterproof boots for an upcoming trip and the 11s felt too long. After two days of light wear, they are already breaking in and I have no more discomfort. Getting them on is already easier and they are plenty wide enough and very comfortable to walk in. These are true to size. Super happy and worth a day of mild discomfort to break them in!
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Reviewed in the United States on March 7, 2026
E
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EE
Charlottesville, US
★★★★★ 5
Comfortable, sturdy, waterproof
Size: 9.5, Color: Black/Black
Loce, love, love these boots. Have walked ten miles with no foot pain around NYC. They go with everything and and are so comfortable. As they are waterproof/resistant, they get a little warm in high temps, but perfect three-season boots.
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Reviewed in the United States on May 17, 2026
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Kate
Draper, US
★★★★★ 5
Super cute, comfortable, practical, love that they are slip on
Size: 10.5, Color: Tobacco/Black
I have worn these 2-3 times already. The first day was a school/work day so I was on my feet 9 hours and the only issue I had was with the side of the boot rubbing against my ankle. I just make sure I wear socks high enough to cover my ankles or jeans that go into the boots now for long wear days. Absolutely love them! They keep my feet dry in this snow( we live in Michigan). I had been looking for a pair like this for awhile now and was getting super frustrated that I couldn't find my size in any that I liked. I saw that they had these available in a 10.5 and I wear 11. I looked at the Sorel website reviews (since the amazon ones weren't super helpful on sizing) and they said that the boots ran big so I took a chance on the 10.5 fitting me. They fit perfect. I have long narrow feet but I could see where they would be tight or uncomfortable on someone with wider feet. I've been trying to find a pair for my mom now since she has boot envy.
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Reviewed in the United States on January 27, 2026

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