Sponsored by Kentucky Equine Research

For most horsemen, spring is a welcome season. Among other reasons, spring brings the green up of pastures. While grass seems the most natural of feedstuffs for horses and ponies, it can stir up health concerns in susceptible individuals.

Let us review some of the common issues that can spring up this season:

  • Colic. When it comes to spring grass, colic risk rises, primarily due to changes that occur in the gastrointestinal environment consequent to overconsumption.
  • Laminitis. Several modes of action may cause laminitis depending on the individual horse and its susceptibility. Visit equinews.com for more resources on feeding laminitis-prone horses.
  • Loose manure. A change in manure is common when horses consume lush spring grass, most likely because of the elevated water content of grasses, which can reach 85%. Always consult with a veterinarian when drastic changes occur in a horse’s manure, especially if it is watery and lasts more than a day or two.
  • Wood-chewing. Horses require fiber in their diets. Because springtime grass contains little fiber, some horses will look elsewhere to satisfy this need. Horses often chew fence boards or rip bark from trees as a way to consume more fiber. Horses may colic from eating indigestible wood, possibly as a result of impaction.

Safe springtime turnout requires planning. According to Kathleen Crandell, Ph.D., a nutritionist with Kentucky Equine Research, management strategies include:

  • Gradually acclimating horses unaccustomed to spring pasture by allowing more and more turnout per day and feeding hay the remainder of the day. Start with 20-30 minutes of exposure on the first day of grazing and then increase by 30 minutes every one to two days. This will not be necessary for horses that have access to the pasture throughout the entire transition from winter to spring.
  • Using a grazing muzzle to slow the consumption of the fresh grass.
  • Continuing to offer hay to horses on pasture to give them more fiber. A flake or two is usually enough to discourage wood-chewing.
  • Feeding a research-proven hindgut buffer like EquiShure® two to three times a day throughout springtime. EquiShure keeps the pH of the hindgut steady, decreasing the likelihood of sweeping shifts in the microbial population.

In addition to EquiShure, the KER Targeted Nutrition line of digestive health supplements offers several products to support a horse’s entire digestive tract. is a proprietary blend of ingredients designed to protect both the foregut and hindgut. ReSolvin EQ™, the latest innovative supplement developed by Kentucky Equine Research, is a blend of polyunsaturated fatty acids research-proven to reduce the severity and prevalence of squamous gastric ulcers in horses.

Visit our website to explore the line of research-proven supplements. Contact us at [email protected] to speak with a Kentucky Equine Research nutrition advisor for recommendations.

Kentucky Equine Research is an international equine nutrition, research, and consultation company serving horse owners and the feed industry. The company advances the industry’s knowledge of equine nutrition and exercise physiology, applies that knowledge to produce healthier, more athletic horses, and supports the nutritional care of all horses throughout their lives. Learn more at ker.com.

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