As the seasons change, so does your horse’s routine. Turnout hours shift, workload goes up or down, pasture quality comes and goes and even hay sources can fluctuate. While these transitions are normal, they can quietly impact your horse’s nutrition in ways that aren’t immediately obvious.
Many feeding challenges don’t come from doing something “wrong,” but from assuming the total diet hasn’t changed when, in reality, it has.
As Kristyn Sturken, equine product manager for Sentinel Horse Nutrition explains, “The key words here are total diet. This includes forage portion as well as feed and any supplements.”
Understanding how seasonal changes affect the entire diet is one of the best ways to support your horse’s health year-round.
Why seasonal changes matter more than you think
Even when the feed in the bucket stays the same, there are a variety of seasonal factors that can alter how much nutrition your horse receives. Common shifts include:
- Rich spring pasture vs. declining fall pasture
- Switching hay types or suppliers
- Changes in workload or riding frequency
- Increased caloric needs during cold weather
- Warm weather impact on appetite and hydration
These changes can show up as subtle weight loss or gain, changes in topline, shifts in manure consistency or a horse that just doesn’t look or feel quite the same.
Start with forage — the foundation of every feeding program
No matter the season, forage should be the starting point of your horse’s nutrition program.
Dr. Randy Raub, Sentinel’s equine research and nutrition specialist, emphasizes that horses are designed to eat forage consistently throughout the day. “Horses are grazers and need access to food often,” Raub says. “So, start your horse’s feeding program on available hay and forage. Also, make sure you know how much your horse is consuming and the quality of that forage before adding anything else.”
Because hay and pasture quality can vary widely depending on harvest timing, location and storage, seasonal changes often bring unintentional changes in nutrient intake. That’s why forage evaluation, even a visual assessment, can be helpful when a horse’s condition or performance changes.
Adjusting feed when seasons shift
Once forage is accounted for, feed helps fill nutritional gaps. And, seasonal transitions are often when owners benefit most from re-evaluating how calories are delivered.
Some horses need fewer calories during lighter work, while others, especially seniors or hard keepers, may need more support in colder months. There is no single “right” answer, which is why Sturken stresses that feeding decisions should match the individual horse.
“Depending on the age, activity level and performance goals, horses may need different nutrient levels at different times of the year,” she explains.
Where extruded feed can help during seasonal transitions
Extruded feeds, like the formulas offered within the Sentinel lineup, are processed using heat, moisture and pressure, which changes how nutrients are digested and how horses utilize and consume their feed. This makes extruded feed a valuable choice during seasonal changes, when consistency matters.
By breaking down starches and proteins during processing, these feeds make nutrients more available for digestion earlier in the digestive tract. This can help ensure better absorption and utilization of nutrients, especially when other parts of the diet, such as forage quality or intake, are changing.
A simple seasonal feeding checklist for owners
No matter the time of year, these basics can help guide feeding decisions:
- Look at the total diet; forage, feed and supplements all count
- Monitor body condition regularly (In the winter months, remove blankets to ensure proper assessment)
- Adjust gradually, especially during spring and fall transitions
- Match feed choices to your horse’s current workload and life stage
- Re-evaluate when something changes, even if it seems minor
The takeaway
Seasonal feeding challenges are a normal part of horse ownership, but they don’t have to become ongoing problems. By focusing on forage first, understanding how seasonal changes affect the total diet and choosing feeds, such as Sentinel, designed to support digestibility and consistency, owners can help their horses stay healthy and comfortable year-round.
If you’re unsure how seasonal changes may be affecting your horse, talking with your veterinarian or an equine nutrition expert can help you build a feeding plan that adapts as the seasons do.













