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EO3 – KER – 946 mL

Rich source of the omega-3 fatty acids DHA and EPA in a palatable liquid form

Horses are often fed diets composed entirely of grain mixes and hay. Such diets are rich in omega-6 fatty acids but extremely low in omega-3 fatty acids. If vegetable oil is added to the ration, it further skews the ratio, with omega-6 fatty acids being overrepresented. To help counteract this imbalance, horses should be supplemented with omega-3 fatty acids, the richest sources of which are fish oils.

Kentucky Equine Research developed EO-3™, a potent marine-derived oil that is rich in omega-3 fatty acids. EO-3 is a palatable oil that is top-dressed onto the feed. EO-3 contains the omega-3 fatty acids DHA and EPA.

EO-3 is intended to be fed to horses of all classes and working levels to improve the critical omega-3:omega-6 ratio in their diets.

The equine athlete that is provided EO-3 can benefit from the difference in inflammatory response. In addition, EO-3 has also demonstrated benefits to the cardiovascular system, reproductive performance, and bone development in numerous research studies in a variety of animal species. The consumption of EPA and DHA from a source such as EO-3 is the only way to ensure that these fatty acids are available for metabolism of the “less-inflammatory” compounds and other metabolites beneficial for the horse’s overall health and well-being.

Features & Benefits: 

  • Palatable highly refined and flavored marine-derived oil
  • Strengthens immune function
  • Enhances bone metabolism and development
  • Reproductive benefits include improved fertility, improved colostrum quality, enhanced passive transfer of antibodies to foals, and increased sperm concentration, motility, and viability
  • ACVIM (American College of Veterinary Internal Medicine) ) consensus statement recommends DHA and EPA supplementation for horses with inflammatory airway disease/equine asthma
  • Improves glucose tolerance
  • Increases red blood cell flexibility
  • Benefits of DHA- and EPA-mediated inflammatory response include reduction in joint inflammation, allergic reactivity, exercise-induced bronchoconstriction, and exercise-induced pulmonary hemorrhage
  • Marine-derived long-chain fatty acids DHA and EPA are more efficiently used as precursors of local hormones than plant-based sources of omega-3 fatty acid

Ingredients: Fish Oil, mixed tocopherols, artificial flavor.

Guaranteed Analysis:

Guaranteed Analysis


Per 30 mL



27.0 g

Omega-3 fatty acids


9,450 mg



6,750 mg

Omega-6 fatty acids


810 mg

Directions for use:

Add 1 to 2 oz (30 to 60 mL) to the feed. For best results, introduce EO-3 to the ration gradually over a period of 5 to 10 days.

In racehorses, KER recommend stopping this product 24 hours prior to racing.


Store cool and dry. Make sure the pot is well closed use. Keep away from children.




This product is considered appropriate for horses competing under the rules of FEI, RFHE and Jockey Club


KER Message

Kentucky Equine Research feeds and supplements are manufactured in facilities that operate under Current Good Manufacturing Practice regulations set forth by the U.S. Food and Drug Administration. As part of the Kentucky Equine Research quality assurance program, products are routinely tested for substances considered prohibited by the governing bodies of horse sports and racing.