Managing your horse’s weight is one of the most important — and most challenging — parts of horse ownership. Whether your horse is a good‑doer who gains weight just by looking at grass, or a poor‑doer who struggles to maintain condition, this guide explains how to manage weight safely, effectively, and without stress.
1. Start With an Honest Assessment
Before making changes, assess your horse’s:
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Body Condition Score (BCS)
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Topline
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Rib coverage
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Crest hardness
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Fat pads
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Overall muscle tone
This gives you a baseline to track progress.
2. Identify Whether Your Horse Is a Good‑Doer or Poor‑Doer
Good‑Doers (Easy Keepers)
Often native breeds such as:
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Cobs
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Highlands
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Welsh
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Fell ponies
They gain weight easily and are prone to laminitis.
Poor‑Doers
Often include:
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Thoroughbreds
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Seniors
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Horses in hard work
They struggle to maintain weight and condition.
3. Weight‑Loss Strategies for Overweight Horses
1. Reduce Calories Safely
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Feed low‑calorie forage
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Soak hay for 6–12 hours
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Avoid high‑sugar feeds
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Use a grazing muzzle if needed
Never starve a horse — it’s dangerous.
2. Increase Exercise
Aim for:
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30–45 minutes of purposeful work
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Hill work
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Long hacks
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Polework
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Interval training
Exercise burns calories and builds muscle.
3. Manage Grazing
Options include:
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Track systems
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Strip grazing
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Limited turnout
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Muzzles
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Dry lots
Grass is the biggest weight‑gain culprit.
4. Weight‑Gain Strategies for Underweight Horses
1. Increase Forage Quality
Offer:
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High‑quality hay
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Haylage
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Alfalfa
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Soaked beet pulp
Forage should be available 24/7.
2. Add Safe Calories
Use slow‑release energy sources like:
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Oil
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Conditioning cubes
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Fibre‑based feeds
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Mash feeds
Avoid high‑sugar mixes.
3. Check for Underlying Issues
Weight loss can be caused by:
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Ulcers
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Dental problems
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Worm burden
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Stress
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Pain
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Poor saddle fit
Always rule out medical causes.
5. Monitor Progress Weekly
Track:
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BCS
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Photos
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Weight tape readings
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Energy levels
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Coat condition
Small changes add up over time.
6. Seasonal Weight Management
Winter
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Good‑doers naturally lose weight — let them
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Poor‑doers may need extra calories
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Increase forage in cold weather
Summer
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Good‑doers need strict grazing control
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Poor‑doers may thrive on summer grass
Adjust your plan seasonally.
7. When to Call a Vet or Nutritionist
Seek help if your horse:
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Gains weight rapidly
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Struggles to lose weight
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Has a hard crest
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Shows laminitis signs
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Loses weight unexpectedly
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Has chronic digestive issues
Professional guidance prevents long‑term health problems.