Horse Diets Are Boring to Figure Out—Until They're Not: 9 Feeding Mistakes Horse Owners Make
- chathamfarmsupplies
- Aug 28
- 7 min read

Most horse owners don't spend their mornings thinking about nutrition.
They put hay in the feeder.
They measure the feed.
They fill the water bucket.
They turn the horse out.
Then they get on with the rest of the day.
And honestly, that's a good thing.
A horse feeding program shouldn't need to be complicated every day.
But the simple routine can become a problem when something changes.
Your horse starts gaining weight.
The hay changes.
Workload increases.
A horse becomes less active.
The weather turns hot.
A senior horse struggles to maintain condition.
Suddenly, the diet that seemed perfectly fine yesterday may need another look.
That's why understanding the basics of a horse diet matters.
Here are nine common feeding mistakes worth checking before making unnecessary changes.
Treating Hay as an Afterthought
Forage is the foundation of most horse diets.
Horses evolved to spend much of their time consuming fibrous forage.
That means hay and pasture aren't simply fillers around the "real" feed.
They are an important part of the feeding program.
When evaluating forage, consider:
Quality
Maturity
Fibre
Energy
Protein
Moisture
Availability
Storage
Mould or contamination
Two bales can look similar while providing different nutritional value.
That's why forage quality should be considered before deciding how much concentrate feed your horse needs.
What should be the foundation of a horse's diet?
For most horses, good-quality forage should form the foundation of the feeding program, with concentrates and supplements added only when appropriate for the individual horse.
Feeding by the Scoop Instead of by Weight
A scoop isn't a measurement.
At least, not a consistent one.
Different feeds have different densities.
One scoop of a dense pellet may weigh considerably more than one scoop of a lighter textured feed.
This becomes important when the feed label provides feeding recommendations based on weight.
Instead of assuming:
"One scoop = one pound."
Weigh the feed.
A simple kitchen or hanging scale can help determine how much your scoop actually contains.
This is particularly important when changing from one feed to another.
Feeding Too Much Grain
More grain doesn't automatically mean a healthier or better-performing horse.
A horse's calorie requirements depend on factors such as:
Body size
Age
Activity
Workload
Metabolism
Forage quality
Body condition
A lightly worked horse may not need the same concentrate intake as a competition horse.
Feeding unnecessary calories can contribute to excess body condition.
Instead of asking:
"How much grain can my horse eat?"
ask:
"How much additional nutrition does my horse actually need?"
Changing Feed Too Quickly
Horses have sensitive digestive systems.
That means sudden dietary changes aren't a good idea.
If you're switching from one feed to another, gradually introduce the new product while reducing the old feed.
A gradual transition gives the digestive system time to adjust.
This applies to changes involving:
Grain
Pellets
Complete feeds
Supplements
Major forage changes
Your feed manufacturer's recommendations should be followed when transitioning between products.
If your horse develops significant digestive problems, contact your veterinarian.
Focusing Only on Protein
Protein gets a lot of attention in horse-feed discussions.
But protein isn't the only nutrient that matters.
A horse's diet also needs appropriate:
Energy
Fibre
Amino acids
Minerals
Vitamins
Water
Protein requirements also vary with the horse's life stage and workload.
A mature horse doing light work doesn't necessarily need the same nutritional program as a growing youngster or high-performance athlete.
Instead of chasing the highest protein percentage, look at the complete nutritional picture.
Ignoring Body Condition
Your horse's body condition is one of the most useful indicators that the current feeding program may need review.
Look at:
Ribs
Neck
Withers
Back
Tailhead
Overall muscle
Fat coverage
You shouldn't rely on one body area alone.
A horse that is becoming noticeably overweight may need fewer calories.
A horse losing condition may require investigation into forage quality, workload, dental health, parasites, health problems or inadequate nutrient intake.
The important point is:
Don't wait until a horse's condition changes dramatically before reviewing the diet.
Forgetting Water
Horse owners spend a lot of time choosing hay and feed.
Water can receive much less attention.
That shouldn't happen.
Clean, fresh water should be available to horses at all times.
Water requirements can change with:
Temperature
Exercise
Sweat loss
Diet
Pregnancy
Lactation
Individual needs
In hot Ontario summers, water management becomes especially important.
Check buckets, troughs and automatic waterers regularly.
Make sure water is clean and accessible.
A horse's water intake can have a major impact on overall digestive health.
Assuming Every Horse Needs Supplements
The horse-supplement aisle can be overwhelming.
There are products marketed for:
Hoof health
Coat shine
Joints
Digestion
Muscle
Calmness
Weight gain
Performance
Vitamins
Minerals
Some horses may benefit from targeted supplementation.
But adding multiple supplements without considering the base diet can make the feeding program unnecessarily complicated.
Start with the basics:
Forage + appropriate complete feed + water + salt/minerals where needed.
Then determine whether there is a genuine nutritional reason for adding something else.
If you're considering a specific supplement for a health issue, discuss it with your veterinarian or equine nutrition professional.
Forgetting That Horses Have Different Requirements
Perhaps the biggest feeding mistake is assuming every horse should eat the same way.
Consider these horses:
The Easy Keeper
Maintains weight easily and may require a calorie-controlled feeding program.
The Hard Keeper
Struggles to maintain body condition and may need additional calories or investigation into underlying causes.
The Performance Horse
Has higher energy requirements because of exercise and workload.
The Senior Horse
May require adjustments based on dental health, chewing ability, metabolism and body condition.
The Growing Horse
Has nutritional requirements associated with growth and development.
The Broodmare
Has changing nutritional requirements during pregnancy and lactation.
Same species.
Very different feeding programs.
When Should You Change Your Horse's Diet?
Not every change requires a new bag of feed.
Sometimes the answer is simply adjusting management.
Consider reviewing the diet when:
Body condition changes
Workload changes
Hay quality changes
Seasonal conditions change
The horse becomes pregnant
The horse enters a different life stage
Feed intake changes
The horse consistently leaves feed
Manure changes
Digestive issues appear
Your current feed no longer matches the horse's requirements
The goal isn't to change feed constantly.
The goal is to make sure the current feeding program continues to make sense.
How to Evaluate a Horse Diet
A simple review can start with five questions:
1. What is the horse eating?
List everything.
Hay, pasture, pellets, grain, treats and supplements.
2. How much is the horse actually eating?
Measure rather than guessing.
3. What is the horse's workload?
Maintenance, light work, moderate work or intense performance.
4. What is the horse's body condition?
Too thin, ideal or too heavy?
5. Is the forage adequate?
Hay quality can significantly affect the rest of the ration.
These five questions can reveal problems surprisingly quickly.
The Importance of Feed Storage
Even a good horse feed can become a poor feeding choice if stored incorrectly.
Keep feed:
Dry
Clean
Protected from pests
Away from moisture
In sealed containers where appropriate
Avoid allowing feed to sit exposed to humidity or rain.
Check regularly for:
Mould
Insects
Rodent contamination
Unusual odours
Moisture
Never knowingly feed mouldy or spoiled feed.
Don't Forget Feed Waste
Feed that ends up on the floor isn't helping your horse.
Waste can come from:
Overfilled feeders
Poor storage
Spillage
Horses sorting feed
Poor-quality hay
Rodents
Weather exposure
Reducing waste can lower the real cost of feeding without changing the nutritional quality of the ration.
What Horse Feed Is Available at Chatham Farm Feed & Supplies?
Chatham Farm Feed & Supplies serves horse owners throughout Blenheim, Chatham-Kent and surrounding Southwestern Ontario communities.
The store carries livestock and equine feed products from established feed manufacturers, with options for horses with different nutritional and performance needs.
When selecting horse feed, consider:
Horse age
Body condition
Workload
Forage quality
Calorie requirements
Feed form
Feeding instructions
One available option is Poweredge 618 Horse Ration, designed for horses requiring an appropriate ration based on their individual feeding needs.
Always follow the manufacturer's feeding directions and consider professional

Need Horse Feed Near Chatham, Ontario?
Choosing horse feed doesn't need to become complicated.
Start with the basics:
Good forage.Clean water.Appropriate calories.Balanced nutrition.Correct feeding amounts.
Then adjust based on the horse in front of you.
If you're looking for horse feed in Chatham-Kent, Blenheim or Southwestern Ontario, Chatham Farm Feed & Supplies can help you explore available equine feed and farm-supply options.
Call/Text: 226-774-0933
Call/Text: 519-350-5804
FAQs
What should a horse's diet consist of?
For most horses, forage such as hay or pasture should form the foundation of the diet, supplemented with an appropriate concentrate or complete feed when additional nutrients or calories are required.
How much hay does a horse need?
Hay requirements depend on body weight, forage quality, activity, metabolism and individual needs. Feeding recommendations should be based on the horse's weight rather than simply the number of flakes.
How much grain should I feed my horse?
It depends on the horse's workload, body condition, forage quality and the specific feed being used. Follow the manufacturer's feeding directions and measure the feed by weight.
Should I feed my horse grain every day?
Not every horse needs grain or a high-calorie concentrate. Horses should receive a feeding program appropriate for their nutritional and energy requirements.
How quickly can I change horse feed?
Feed changes should generally be introduced gradually rather than suddenly. Follow the transition instructions provided by the feed manufacturer.
Does every horse need supplements?
No. Supplementation should have a nutritional or management purpose. Adding unnecessary products can make the feeding program more complicated and may result in excessive intake of some nutrients.
Why is water important for horses?
Water is essential for normal body function and digestive health. Horses should have continuous access to clean, fresh drinking water.
How do I know if my horse is getting too much feed?
Monitor body condition, weight, workload and feed intake. Increasing body condition or unnecessary weight gain can indicate that the horse is receiving more calories than required.
Does horse feed need to change in winter?
Not automatically. Some horses may require additional energy during cold conditions, while others may maintain their condition without a major change. Monitor body condition, forage and environmental conditions.
Where can I buy horse feed near Chatham, Ontario?
Chatham Farm Feed & Supplies serves horse owners in Blenheim, Chatham-Kent and surrounding Southwestern Ontario communities with equine feed and farm supplies.
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