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Oat Hulls - Feed Ingredient

Oat hulls are the outer protective layers of oat grains (Avena sativa), removed during the milling process. They consist primarily of lignocellulose and serve as a structural component of the oat kernel. Due to their high fiber and low digestibility, oat hulls are considered a byproduct with limited nutritional value for most livestock species.

In equine nutrition, oat hulls are primarily used as a source of indigestible fiber or as a filler ingredient in pelleted feeds. While they provide bulk and aid in pellet formation, they contribute little to digestible energy or essential nutrients. However, their low starch and sugar content make them a suitable carrier ingredient in low-calorie feed formulations and supplements. Excessive inclusion of oat hulls in a horse’s diet may dilute overall nutrient density without offering significant digestible fiber benefits.

The following equine feeds, supplements and products contain Oat Hulls as an ingredient.

Feeds, Supplements & Products
AminoTrace+ Vitamin and Mineral Supplement (Mad Barn)
Hoof HealthHoof Health
Metabolic SyndromeMetabolic Syndrome
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
AminoTrace+ by Mad Barn is a complete, balanced equine mineral and vitamin supplement designed for horses with metabolic concerns. It is ideal for horses with IR, PPID, or high iron in the diet.
MagneChrome (Mad Barn)
AntioxidantAntioxidant
HealthHealth
HerbHerb
Metabolic SyndromeMetabolic Syndrome
MagneChrome from Mad Barn (formerly sold under the name IR Supplement) is a magnesium and chromium supplement for IR Horses. This supplement provides antioxidant and anti-inflammatory support which is critical for horses with metabolic conditions such as insulin resistance, laminitis and Cushing’s Syndrome
Natural E/Organic Se (Mad Barn)
AntioxidantAntioxidant
Organic Trace MineralsOrganic Trace Minerals
RecoveryRecovery
VitaminsVitamins
Natural E/Organic Se is a pelleted supplement providing organic Selenium yeast and natural Vitamin E. These two nutrients are important antioxidants that support muscle function and anti-inflammatory pathways.
Omneity P – Pellets – Vitamin & Mineral Supplement (Mad Barn)
Gut HealthGut Health
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
Ration BalancerRation Balancer
Omneity Pellets is a balanced mineral and vitamin supplement for horses in a palatable pellet form. It provides 100% organic trace minerals, complete B-vitamin fortification, added Vitamin E, yeast and digestive enzymes.
Optimum Digestive Health Pellets (Mad Barn)
DigestionDigestion
Feed EfficiencyFeed Efficiency
Gut HealthGut Health
ProbioticProbiotic
Optimum Digestive Health from Mad Barn is a probiotic and prebiotic supplement designed to support hindgut health in the horse. It helps to maintain a stable microflora and promote immune health.
Visceral+ (Mad Barn)
DigestionDigestion
Gut HealthGut Health
ImmunityImmunity
ProbioticProbiotic
UlcersUlcers
YeastYeast
Visceral+ by Mad Barn is a pelleted supplement to be used for horses with gastric health concerns. It is designed to maintain stomach and hindgut health and to support the immune system.
12% Fat ‘n’ Fibre (Pellet) (Masterfeeds)
FatFat
FiberFiber
Ration BalancerRation Balancer
VitaminsVitamins
Masterfeeds Fat 'n' Fibre pellet is a complete feed intended for light performance and maintenance horses. It provides 5% fat, which is low compared to other fat-based feeds. This is a controlled starch budget-friendly feed.
12% Light Performance Pellet (Masterfeeds)
Complete FeedComplete Feed
Easy KeeperEasy Keeper
NutritionNutrition
ProteinProtein
Masterfeeds 12% Light Performance (pellet) is a horse feed intended for maintenance and light performance horses. It is a basic ration with low fat and moderate fibre content.
Alltrack (Textured) (Masterfeeds)
Gut HealthGut Health
Low NSC FeedsLow NSC Feeds
MuscleMuscle
PerformancePerformance
Alltrack (Textured) by Masterfeeds is a textured complete feed intended to support digestive and muscle health in high performance horses.
BalancI.R. Ration (Hoffman’s Horse Products)
Complete FeedComplete Feed
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
Ration BalancerRation Balancer
Hoffman's BALANCI.R. Horse Ration is an 11% NSC pelleted feed for horses that require a low-starch diet. Energy sources include soybean hulls, stabilized rice bran, malt sprouts, and oat hulls.
Caliber Complete Horse Ration (Co-op)
EnergyEnergy
FiberFiber
NutritionNutrition
ProteinProtein
Caliber Complete Horse Ration is an all-in-one feed intended for horses at any life stage. It contains moderate protein (13%) and low fat (2%).
Caliber Mare & Foal Ration (Co-op)
BroodmareBroodmare
GrowthGrowth
LactationLactation
NutritionNutrition
Caliber Mare & Foal Ration is a high protein feed intended for broodmares and growing foals. It is designed with higher nutrient density to meet the needs of gestating and lactating mares.
Caliber Senior & Special Care Horse Ration (Co-op)
Complete FeedComplete Feed
Metabolic SyndromeMetabolic Syndrome
NutritionNutrition
Organic Trace MineralsOrganic Trace Minerals
SeniorSenior
Caliber Senior & Special Care Horse Ration is formulated to meet the nutritional requirements of senior horses, hard keepers or horses with dental issues. It is designed to provide energy from fat and digestible fibre sources and has a higher feeding rate.
Caliber Working Horse Ration (CO-OP)
Complete FeedComplete Feed
ExerciseExercise
Gut HealthGut Health
Organic Trace MineralsOrganic Trace Minerals
Caliber Working Horse Ration is a complete pelleted feed formulated to meet the needs of working horses. It is an energy-dense feed with a lower feeding rate.
Cosequin Optimized (Cosequin)
HealthHealth
ImmunityImmunity
JointsJoints
PerformancePerformance
Cosequin Optimized is a powdered joint health supplement. This supplement contains glucosamine, chondroitin sulphate and methylsulfonylmethane to support joint health.
Equine Adult® Horse Feed (Purina Mills)
Complete FeedComplete Feed
ExerciseExercise
HealthHealth
Ration BalancerRation Balancer
Purina Equine Adult Horse Feed is a pelleted feed for horses at maintenance, light work, or broodmares in early gestation. It provides 11% crude protein, 3% fat, and 25% fiber.
Equine Junior® Complete Horse Supplement (Purina Mills)
Complete FeedComplete Feed
FatFat
FoalFoal
GrowthGrowth
Purina Equine Junior Horse Feed is a pelleted feed for growing horses that have been weaned. It provides protein, calories, vitamins and minerals to support development.
Equine Senior® Complete Horse Feed (Purina Mills)
Complete FeedComplete Feed
DentalDental
ImmunityImmunity
SeniorSenior
Purina Equine Senior is a complete feed in an easy-to-chew formulation targeted at older horses. It contains 14% crude protein, 5.5% fat, and 19% NSC.
Equinepower Cool Energy (O&T Farms)
DigestionDigestion
FatFat
SeniorSenior
Weight IssuesWeight Issues
Equinepower Cool Energy by O&T Farms is a high fat (28.2%) weight gain supplement intended for all horse types.
EquinePOWER™ Horse Weight Gain Supplement
EnergyEnergy
FatFat
Metabolic SyndromeMetabolic Syndrome
Weight IssuesWeight Issues
EquinePOWER™ is a weight gain supplement for horses containing canola, flaxseed, and alfalfa. It is designed to be fed as a top-dressing to horses requiring more calories in their diet.
Fab Fiber Plus (McCauley’s)
FiberFiber
HealthHealth
NutrientsNutrients
PerformancePerformance
Fab Fiber Plus from McCauley's is a textured feed intended for performance horses. It contains 17% fiber, 12% fat, and 12% protein.
Fat ‘N’ Fibre (pellet) (Masterfeeds)
ExerciseExercise
FatFat
FiberFiber
HealthHealth
Fat 'N' Fibre from Masterfeeds is a pelleted feed that is higher in fat and fibre. It is formulated for idle horses to horses in light work. Fat 'N' Fibre contains 12% protein, 5% fat, and 15% fiber.
Fiberforce (Cavalor)
FiberFiber
Gut HealthGut Health
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
Fiberforce by Cavalor is a high-fiber feed made with alfalfa stems to encourage chewing and buffer stomach acid. It is targeted to horses with gastrointestinal problems such as gastric ulcers. It has an NSC value of 8%.
Fiberforce Gastro (Cavalor)
FiberFiber
Gut HealthGut Health
Low NSC FeedsLow NSC Feeds
UlcersUlcers
Fiberforce Gastro by Cavalor is a textured feed intended for horses prone to ulcers or stomach problems.
Finishing Touch (Masterfeeds)
Coat QualityCoat Quality
EnergyEnergy
FatFat
Weight IssuesWeight Issues
Masterfeeds Finishing Touch is a high-fat pelleted horse supplement that is used to promote weight gain or to provide fat as an energy source. It can be top-dressed on feed to increase the calorie density of the diet.
Frisky Foal (Masterfeeds)
Complete FeedComplete Feed
FoalFoal
GrowthGrowth
ProteinProtein
Masterfeeds 17% Frisky Foal is a pelleted transition feed used to wean nursing foals off of milk and onto solid feed. It provides elevated protein content to support growth.
HaySaver (Hoffman’s Horse Products)
Gut HealthGut Health
Hay StretcherHay Stretcher
Low NSC FeedsLow NSC Feeds
NutritionNutrition
Hoffman's HaySaver is a cubed ration designed to be fed when hay quality is poor or good quality hay is limited. Hoffman's HaySaver has an NSC% of 20%, and uses both inorganic and organic trace minerals.
Hoofefex (Basic Equine Nutrition)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Hoofefex is a hoof supplement containing a blend of four micronutrients (biotin, zinc, copper and manganese) important for supporting hoof health. It also contains MSM, kelp and brewer's yeast. Each serving provides 20 mg of biotin.
Horse Crunchies (Hoffman’s Horse Products)
Easy KeeperEasy Keeper
FlavorFlavor
HealthHealth
NutritionNutrition
Horse Crunchies from Hoffman's is a cubed treat for horses. Horse Crunchies are 22% NSC and are intended to be a healthy treat option for horses.
Horseman’s Elite Mare & Foal Nugget (Bluebonnet Feeds)
BroodmareBroodmare
FoalFoal
GrowthGrowth
NutrientsNutrients
Horseman's Elite Mare & Foal Nuggets from Bluebonnet is a pelleted feed intended for pregnant, lactating, and growing horses. It provides 16% crude protein and contains soybean oil for added calories.
Impact Professional Mare & Foal (Purina)
BroodmareBroodmare
FoalFoal
GrowthGrowth
NutritionNutrition
Purina® Impact® Professional Mare & Foal is a horse feed targeted towards breeding mares and growing foals. This pelleted concentrate is formulated with 16% protein and 6% fat to meet developmental needs.
Impact Professional Senior (Purina)
Complete FeedComplete Feed
DigestionDigestion
NutritionNutrition
SeniorSenior
Purina® Impact® Professional Senior is a pelleted complete feed intended for senior horses with forage built in to replace hay or pasture. It contains added fat and highly digestible fibre sources.
Inspire Hay Stretcher Large Pellet (Blue Seal)
DigestionDigestion
FiberFiber
Hay StretcherHay Stretcher
NutrientsNutrients
This feed from Blue Seal is a pelleted hay stretcher. It is high in fiber and can replace or supplement hay. This feed aims to support digestive health and function, but does not contain vitamins and therefore should not replace grain in a diet.
Inspire Hay Stretcher Small Pellet (Blue Seal)
DigestionDigestion
FiberFiber
Hay StretcherHay Stretcher
HealthHealth
Inspire Hay Stretcher Small Pellet from Blue Seal is a hay stretcher that is high in fiber. It is meant to replace or supplement hay and it is intended to support digestion and health. It is also offered in large pellet form.
Krunch Cubes (Masterfeeds)
Caloric EnergyCaloric Energy
GrowthGrowth
ToplineTopline
Weight IssuesWeight Issues
Masterfeeds Krunch is an equine feed that comes in cube form. Krunch is used as a treat or to add calories and protein to the diet for horses that need to gain weight and improve topline.
M10 Balancer (McCauley’s)
Easy KeeperEasy Keeper
Mineral BalanceMineral Balance
SeniorSenior
VitaminsVitamins
M10 Balancer by McCauley's is a pelleted vitamin and mineral supplement intended for horses at maintenance or in light work.
Maintenance Horse Ration (Hoffman’s Horse Products)
FiberFiber
HealthHealth
Low NSC FeedsLow NSC Feeds
Ration BalancerRation Balancer
Hoffman's Maintenance Horse Ration is a pelleted feed with lower energy density for horses at maintenance or in light work. Calories are provided by soybean hulls, stabilized rice bran, wheat mill run, malt sprouts and oat hulls.
Miniature Horse and Pony (Purina)
EnergyEnergy
Gut HealthGut Health
NutritionNutrition
ProteinProtein
Purina® Miniature Horse and Pony is a pelleted concentrate feed intended for all classes of miniature horses and ponies. These animals have different metabolic needs compared to other horses.
Oat – Groat Hulls
Caloric EnergyCaloric Energy
GrainsGrains
NutritionNutrition
ProteinProtein
Oat groat hulls refer to oat products that contain both the groat (kernel) and hulls. This product has higher starch than whole oats.
Oat Hulls
FiberFiber
GrainsGrains
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
Oat hulls, also known as oat husks, are the outer shell that surrounds the oat grain. Oat hulls are a by-product of oat processing and are commonly added to animal feeds.
Pianissimo (Cavalor)
Complete FeedComplete Feed
Easy KeeperEasy Keeper
Metabolic SyndromeMetabolic Syndrome
Ration BalancerRation Balancer
Pianissimo by Cavalor is formulated to be a lower energy feed with lower protein levels and no added oats. This feed is targeted to hot horses to reduce stress.
Podium Cool Energy – Pellet (Masterfeeds)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
PerformancePerformance
UlcersUlcers
Podium Cool Energy is a controlled NSC performance feed that utilizes energy from carbohydrates and moderate levels of fat and protein. It is targeted at standardbred racehorses, eventers, and other equine athletes.
Prairie West Horse Pellets (West Central Pelleting Ltd.)
Complete FeedComplete Feed
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Prairie West Horse Pellets from West Central Pelleting LTD is a pelleted feed that contains 14% protein and includes energy and minerals.
RX Roughage – Pellet/Cube (Masterfeeds)
DentalDental
FiberFiber
Hay StretcherHay Stretcher
SeniorSenior
Masterfeeds Rx Roughage is a high fibre horse feed that comes in the form of pellets or cubes. It is used to add bulk to the diet as a hay stretcher or can be soaked for horses with dental issues such as seniors.
Senior Pellet (Masterfeeds)
Complete FeedComplete Feed
DigestionDigestion
FiberFiber
SeniorSenior
Masterfeeds Senior is a complete pelleted horse feed formulated with high-calorie digestible fiber sources and added fat. It is designed to meet the needs of senior horses and horses requiring a low-starch diet and low glycemic ration.
Senior Ration (Hoffman’s Horse Products)
Complete FeedComplete Feed
Feed EfficiencyFeed Efficiency
SeniorSenior
Weight IssuesWeight Issues
Hoffman's Senior Horse Ration is a feed designed for senior horses that need extra caloric energy to maintain weight. This feed contains 17.5% NSC with moderate fat content (5%) and high fibre content (24%).
Sharpe 12% Sweet Feed (Sharpe Farm Supplies)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
FlavorFlavor
Weight IssuesWeight Issues
Sharpe 12% Sweet Feed is a 12% crude protein multi-particle blend coated in molasses. Sweet feeds are high in NSC but may be used to increase the palatability of certain medications, supplements, or rations.
Silhouette (Cavalor)
Easy KeeperEasy Keeper
FiberFiber
HealthHealth
NutrientsNutrients
Silhouette from Cavalor is a fibre protein mixed feed. This feed is intended for easy keepers or horses who need to lose additional body weight.
Step 2 Peak Performance – Sport (Trouw Nutrition)
Complete FeedComplete Feed
FatFat
PerformancePerformance
Weight IssuesWeight Issues
Step 2 Peak Performance - Sport by Trouw is an extruded, high-fat feed formulated to meet the energy demands of horses in heavy work, stallions, growing horses, and hard keepers. It provides 14% protein and 10% fat from vegetable oils.
Step 3 GenAPro (Trouw)
Complete FeedComplete Feed
FiberFiber
Hay StretcherHay Stretcher
Low NSC FeedsLow NSC Feeds
Trouw GenAPro (GAP) is an alfalfa-based, high fibre and low NSC feed with less than 10% sugar and starch content. GenAPro is designed as a partial or total hay replacer when quality forage is limited.
Step 4 Low Sugar Lite (Trouw Nutrition)
Complete FeedComplete Feed
DigestionDigestion
FiberFiber
Low NSC FeedsLow NSC Feeds
Step 4 Low Sugar Lite by Trouw Nutrition is a high-fibre pelleted feed intended for horses who are prone to founder, sugar sensitivities, insulin resistance and metabolic disorders.
Step 8 High Fat (Trouw Nutrition)
Complete FeedComplete Feed
FatFat
PerformancePerformance
Weight IssuesWeight Issues
Step 8 High Fat - Cool Energy by Trouw Nutrition is a pelleted feed intended for performance horses or horses that required fat-sourced energy.
Strucomix Original (Cavalor)
Complete FeedComplete Feed
FiberFiber
HerbHerb
Organic Trace MineralsOrganic Trace Minerals
Strucomix Original by Cavalor is an oat-free, corn-free and molasses-free feed for horses in maintenance to moderate work. A textured and balanced feed for horses rich in fiber and herbs.
Sunderland Pedestal Horse Ration Texturized (Masterfeeds)
FatFat
FiberFiber
GrainsGrains
NutrientsNutrients
Sunderland Pedestal Horse Ration Texturized by Masterfeeds is a grain-based feed formulated for horses. It delivers a balanced nutritional profile with 12% crude protein, 14% fat, and 13% fiber.
Surmount – Pellet (Masterfeeds)
Complete FeedComplete Feed
ExerciseExercise
FatFat
FiberFiber
Masterfeeds Surmount (pellet) is a fat and fibre ration that provides high caloric density intended for performance horses. It provides 6% fat, 17% fiber, and an NSC of 21%,.
Ultium Gastric Care (Purina)
Competition HorsesCompetition Horses
Gut HealthGut Health
StressStress
UlcersUlcers
Purina® Ultium® Gastric Care is a concentrate feed intended for performance horses to support gastric and hindgut health. It provides digestible fibres from beet pulp, alfalfa and soy hulls.

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