How to Help an Older Horse Maintain His Weight
As horses age, maintaining a healthy body condition often becomes more difficult. Dental wear, reduced digestive efficiency, and slower metabolism can all contribute to gradual weight loss. Fortunately, with attentive management, the right nutrition, and regular monitoring, it’s possible to help senior horses stay fit and comfortable well into their later years.
A good starting point is a complete health and dental check. Many older horses struggle to chew properly due to missing or worn teeth, which reduces their ability to digest hay efficiently. Regular dental care, along with veterinary checks for underlying issues such as parasites, metabolic disorders, or Cushing’s disease (PPID), ensures that nutritional changes are built on a healthy foundation.
Forage remains the cornerstone of any horse’s diet, but older horses may require softer, more digestible sources. High-quality hay, or a mix of grass and alfalfa, provides valuable energy and fiber. If chewing hay becomes difficult, soaked hay cubes, beet pulp, or chopped forage can be excellent alternatives. These feeds are easier to chew and digest while still supporting gut health.
Adding calorie-dense, easily digestible energy sources can also help older horses maintain weight. Linseed (flaxseed) oil is an excellent choice—it’s rich in omega-3 fatty acids that promote skin, coat, and joint health while providing slow-release energy. Starting with a small amount, such as 30 to 60 ml per day, and gradually increasing up to about 240 ml for large horses can safely boost calorie intake without overloading the digestive system. Other options like rice bran or stabilized flax meal also offer extra fat and fiber in a form that’s gentle on the gut.
When forage alone isn’t enough, senior feeds can play a key role. These are specially formulated to be highly digestible, with balanced levels of fiber, fat, protein, vitamins, and minerals. Many can be soaked to create a soft, mash-like texture, which makes them easier for horses with dental issues to eat.
Protein quality is another important factor for older horses. As muscle mass naturally declines with age, feeds containing good-quality protein sources such as alfalfa, soybean meal, or added amino acids can help maintain topline and strength.
Finally, management and environment make a big difference. Older horses often use more energy to stay warm, so providing adequate shelter and rugs in cold weather can prevent unnecessary calorie loss. Access to clean, temperate water is essential, and feeding individually helps ensure senior horses aren’t pushed away by more dominant companions.
Regular monitoring is key to success. Using a body condition score (BCS) chart and weight tape every few weeks helps track subtle changes before they become visible. Small, gradual feed adjustments based on these observations help keep the diet balanced and effective.
In short, helping an older horse maintain weight requires a careful balance of science, observation, and care. With high-quality forage, added sources of digestible energy such as linseed oil, and good management practices, aging horses can remain healthy, active, and thriving for many years.
Sources
- Rutgers Equine Science Center. Care for the Older Horse: Diet and Health. Available at: https://esc.rutgers.edu/fact_sheet/care-for-the-older-horse-diet-and-health/
- ASPCA. How to Keep Weight on Older Horses. Available at: https://www.aspca.org/news/how-keep-weight-older-horses
- Iowa State University Extension. Feeding the Senior Horse. Available at: https://www.extension.iastate.edu/equine/feeding-senior-horse
- Gestion pratique du vieux cheval — IFCE / Equipedia: https://equipedia.ifce.fr/sante-et-bien-etre-animal/soin-prevention-et-medication/prevention/gestion-pratique-du-vieux-cheval