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Equine Nutrition Feed & Supplement Database
By-product Feeds for Horses: [Ingredients Guide] Caroline Cochran, BSc. | March 5, 2026

By-product ingredients are a fixture in equine diets, either as components of a complete feed or as concentrates added into the diet on their own. Although the term “by-product” may carry a negative connotation, these feeds are often high-quality, cost-effective...

Carbohydrates in the Horse's Diet
Carbohydrates in the Equine Diet: Nutrition Review Dr. Priska Darani, Ph.D., PAS | February 22, 2026

Carbohydrates are the main energy source in an equine diet. These macronutrients are naturally abundant in forages, grains and grain by-products. Carbohydrates can be categorized based on their function in the plant and how they are digested by the horse.

Canola Oil for Horses
Feeding Canola Oil to Horses: Benefits for Weight Gain Jaime Thomas, B.Sc. | February 22, 2026

A variety of supplemental oils including camelina, flax, soy, corn, fish, and canola are commonly used in equine diets. Although every oil provides the same amount of energy, each one has a different fatty acid profile which can influence the...

Rice Bran Oil for Horses
Rice Bran Oil for Horses: Benefits of Feeding for Weight Gain Jaime Thomas, B.Sc. | February 11, 2026

Rice bran oil (RBO) is an increasingly popular fat supplement fed to horses for weight management, cool energy, and coat quality. The oil is derived from the germ and bran of brown rice grains and contains essential fatty acids and...

Fructans in Horse Forages: Do High-Fructan Grasses Cause Laminitis? Dr. Eleanor Kellon, VMD | February 12, 2026

Fructans are a storage form of carbohydrate and a component of the non-structural carbohydrates (NSC) found in cool-season grasses, such as tall fescue, timothy, orchardgrass, and perennial ryegrass. Fructans are indigestible by horses, passing through the foregut to the hindgut...

Mineral Testing in Horse Hair
Can Hair Analysis Determine your Horse’s Mineral Status? Dr. Ashley Fowler, Ph.D. | March 9, 2026

Is hair analysis a reliable way to evaluate your horse's mineral status? Mineral testing is an important aspect of monitoring your horse's health, especially if forages in your area are known to be deficient or excessive in a given nutrient....

Feeding Straw to Horses
Feeding Straw to Horses: A Low-Energy Forage Alternative Camryn McNeill, B.B.R.M. | March 5, 2026

Straw or chaff is a high-fibre low-sugar forage that is ideal for horses that are overweight or insulin-resistant. Straw adds bulk to your horse's diet without contributing significant calories or protein. Research shows that adding straw to a forage ration...

How Much Hay to Feed Your Horse
How Much Hay to Feed Your Horse [Feeding Guide] Isabelle D'Costa, B.Sc., M.Sc. | March 5, 2026

A forage-based diet is the best way to support your horse’s health and happiness, but it is not always easy to know how much hay to feed. Horses that are allowed free-choice (ad libitum) access to hay-only diets will typically...

Flaxseed Meal and Linseed Oil for Horses
Feeding Flaxseed & Flax Oil to Horses Jaime Thomas, B.Sc. | February 23, 2026

Also known as linseed, flaxseed is produced from the flax plant and can be used to provide fat, protein, and fibre in the equine diet. Flax products are cost-effective, calorie-dense and commonly fed to horses for weight gain or to...

Teff Hay for Horses
Teff Hay for Horses: Nutrition Overview & Feeding Guide Jaime Thomas, B.Sc. | February 16, 2026

An increasingly popular equine forage, teff grass is grown in warm geographic regions and is commonly cultivated in the Southern USA. Native to Africa, teff is a warm-season grass that is high in fibre and low in sugars and starch....

Best Mineral Supplement for Your Horse
How to Choose the Best Mineral Supplement for Your Horse – [Buyer’s Guide] Dr. Cerah Bowyer, DVM, MSc | March 13, 2026

Proper vitamin and mineral nutrition is critical to maintaining your horse's health and well-being. But how do you ensure that your horse gets everything they need to balance their diet? Horses on a forage-only diet universally have deficiencies in key...

Glucosamine & Chondroitin Supplements for Horse
Glucosamine & Chondroitin Supplements for Horses – [Joint Health Research Review] Caroline Cochran, BSc. | March 13, 2026

Glucosamine and chondroitin sulfate are two of the most common ingredients found in equine joint products. These natural supplements are purported to promote mobility and joint comfort in hard-working performance horses and aging seniors. But despite their commercial success, there...

Hay Dunking in Horses
Hay Dunking in Horses: Causes of this Abnormal Eating Behavior Jaime Thomas, B.Sc. | February 23, 2026

Hay dunking describes an abnormal equine feeding behaviour in which horses dunk their hay in water before chewing and swallowing it. This can be a messy habit and many horse owners want to know why it happens and how to...

How to Stop Horse Eating Soil
Why is My Horse Eating Soil? – [Geophagia Causes & Prevention] Jaime Thomas, B.Sc. | February 23, 2026

Has your horse started eating or licking the soil? The ingestion of soil in animals is referred to as geophagia. The reason some horses eat dirt is not fully understood. But the behavior is thought to serve a nutritional purpose...

symptom-appetite-changes-in-horses
Why is My Horse’s Appetite Decreasing or Increasing? [Top Reasons] Jaime Thomas, B.Sc. | February 12, 2026

Have you noticed changes in your horse's appetite and eating behavior? Perhaps your horse has gone off their feed or is no longer interested in eating as much forage as usual. Or maybe your horse's appetite has increased, and they...

How to Feed Pregnant Mare
How to Feed a Pregnant Mare – [Nutrient Requirements] Dr. Ashley Fowler, Ph.D. | March 5, 2026

Your vet has just confirmed that your mare is pregnant, and you can’t wait for that healthy foal to arrive! When should you be changing her feed? How much weight does she need to gain? What additional nutrients does she...

Soybeans in Horse Feed
Is Soy Good or Bad for Horses? [Review of Soybean Meal in Feeds] Dr. Christine Latham, Ph.D. | March 5, 2026

Soy is a common ingredient in many equine feeds. Different parts of the soybean can be used to provide protein, energy, and fiber in your horse's diet. Soybeans are popular because of their versatility and affordability. Soy oil is a...

Fat Supplements for Horses
Best Fat Supplements & Oils for Horses – [How & Why to Feed] Dr. Priska Darani, Ph.D., PAS | March 13, 2026

Adding fats and oils to your horse’s diet is a great way to increase calorie supply without relying on grains and high-NSC feeds. Fats can be added to the diets of underweight horses as weight gain supplements. Oils also provide...

Equine Nutritionist Consultation
Why Do you Need an Equine Nutritionist? – [Free Consultation Inside] Dr. Christine Latham, Ph.D. | February 13, 2026

Is your horse getting what she needs in her current diet? Does she have health concerns that could be improved through feeding practices? If you own or care for horses, chances are you have asked yourself these questions at some...

Electrolyte Supplementation for Horses
Best Electrolyte Supplements for Horses: A How-To Guide Kristina Pazdzior, B.Sc., M.Sc. | March 13, 2026

Electrolytes are minerals that play a key role in cellular function and regulate fluid balance in the body. Electrolytes carry an electric charge when dissolved in fluids such as blood or fluid in and around cells. These are critical for...

Best Magnesium Supplement for Horses
Best Magnesium Supplements for Your Horse [Bioavailability Comparison] Dr. Priska Darani, Ph.D., PAS | March 13, 2026

Magnesium supplements for horses come in many forms and are used to support muscle function and calming. This important macromineral is required in the equine diet to facilitate muscle contraction, maintain ion balance in the blood, and activate enzymes throughout...

How to Feed a Skinny Horse
How to Feed an Emaciated Horse to Avoid Refeeding Syndrome Dr. Christine Latham, Ph.D. | February 23, 2026

Emaciated horses have a very low body condition score with extensive loss of muscle and fat. These severely underweight horses need to be carefully managed with veterinary care and precise nutrition strategies during their recovery. Reintroducing feed must be done...

Feeding the Endurance Horse
How to Feed the Endurance Horse for Energy & Stamina [7 Point Guide] Eleanor Stronach, B.Sc., M.Sc. | March 5, 2026

Horses involved in endurance riding require appropriate fitness training, careful management, and balanced nutrition to support stamina and recovery. Endurance racing may involve horses covering up to 100 miles or 160 kilometres in a single day. This poses challenges with...

Calcium and Phosphorus in the Equine Diet
Calcium & Phosphorus in the Equine Diet [Ratio, Functions & Sources] Noelle Ursel, B.Sc. | March 5, 2026

The macrominerals calcium and phosphorus are the most abundant minerals in the horse’s body. They are important for bone strength, cellular function, muscle health and more. Ensuring adequate calcium and phosphorus intake is particularly critical for pregnant and lactating mares,...

Reading a Horse Feed Tag
How to Read your Horse’s Feed Tag [Guaranteed Analysis] Linaya Pot, MSc, PAS | February 17, 2026

The label on your horse's feed bag provides valuable information to help you make feeding decisions for your horse. Known as the feed tag, this label describes the nutritional composition of your horse's feed and how it is intended to...

Organic vs. Inorganic Minerals
Organic vs. Inorganic Trace Minerals in your Horse’s Diet – [Comparison] Linaya Pot, MSc, PAS | March 9, 2026

Trace minerals are a small component of your horse's overall dietary intake, but they play essential roles in equine well-being and health. These minerals can be provided in your horse's diet in either an organic or inorganic form. Not to...

Kelp for Horses
Kelp for Horses: Benefits, Uses and How to Feed Eleanor Stronach, B.Sc., M.Sc. | March 13, 2026

Kelp is a species of seaweed that is a nutritionally-dense source of protein and trace minerals. It contains the essential mineral iodine, which is important for thyroid function, growth and metabolism.

Equine Diet Analysis
We Analyzed 6,515 Equine Diets – Here’s What We Learned Dr. Priska Darani, Ph.D., PAS | February 17, 2026

In the last year, over six thousand horse owners from all over North America used Mad Barn to analyze their horses' diets. We looked at diets for weanlings, broodmares, pasture pets, prize-winning racehorses, the odd mule, and everything in between....

Camelina Oil for Horses
Camelina Oil for Horses: Should you Feed this Omega-3 Supplement? Dr. Priska Darani, Ph.D., PAS | March 13, 2026

Camelina oil is commonly fed to horses as an omega-3 fatty acid supplement. It is used to support weight gain, joint health, coat quality and general well-being. Camelina oil is extracted from the seeds of the camelina sativa plant, also...

Feeding your Horse in Winter
7 Tips for Feeding your Horse in Winter [Cold Weather Care Guide] Dr. Priska Darani, Ph.D., PAS | March 6, 2026

What do you need to know to properly care for and feed your horse in the cold winter months? Horses are very adaptable to a wide range of temperatures and are well-suited to living in cold climates. However, you may...