How do I prevent colic?

Colic prevention is one of the most important and most genuinely achievable goals in equine health management. While no management program can guarantee that a horse will never experience a colic episode, the evidence-based management practices that reduce colic risk are well documented and consistently effective at reducing the frequency and severity of colic in horses managed according to them. Consistent high-quality forage is the single most foundational colic prevention practice and the one with the broadest impact on digestive health. The horse's digestive system evolved to process continuous small amounts of fibrous forage — not twice-daily grain meals, not long periods without any feed, and not dramatic changes in diet composition. The large hindgut where fermentation occurs requires consistent forage input to maintain the appropriate microbial population and the fluid balance that keeps ingesta moving through correctly. Horses that spend long periods without access to forage are at elevated risk for impaction and displacement colics that develop when the gut's normal motility pattern is disrupted. Providing free-choice or near-continuous access to appropriate forage through pasture grazing, slow feeders, or multiple daily hay feedings reduces this specific risk more effectively than almost any other single management practice. Fresh water available at all times is the second most impactful prevention practice, particularly in cold weather when horses often reduce their voluntary water intake and impaction risk rises accordingly. A horse drinking adequately maintains the fluid balance in the large colon that keeps ingesta soft and mobile. Providing heated water in winter, ensuring water sources are clean and functional, and monitoring water intake as an indicator of health status are all practical prevention measures with direct impact on impaction colic risk. Consistent exercise and turnout support normal gut motility by promoting the physical activity that keeps the digestive system moving correctly. A horse that transitions suddenly from regular exercise to stall rest, or that is kept in extended stall confinement without adequate opportunity for movement, is at elevated risk for the displacement and gas colics that reduced motility can produce. Avoiding sudden feed changes, maintaining a consistent daily routine, and scheduling regular dental care to ensure adequate chewing function round out the foundational colic prevention program that gives every horse the best chance of a colic-free management career.