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Bacillus subtilis - Feed Ingredient

Bacillus subtilis is a spore-forming, Gram-positive bacterium used as a direct-fed microbial (probiotic) in equine feed and supplements. It is valued for its ability to withstand extreme conditions, including high temperatures and low pH, making it a suitable probiotic for inclusion in pelleted or processed feeds. The spores of Bacillus subtilis can survive the upper gastrointestinal tract and germinate in the hindgut, where they may support microbial balance and digestive function.

As a probiotic, Bacillus subtilis may contribute to the modulation of the gut microbiome through competitive exclusion of pathogens, production of antimicrobial compounds, and secretion of enzymes that assist in nutrient breakdown. The bacterium is also known for its ability to produce extracellular enzymes such as proteases and amylases, which may contribute to feed digestibility.

The following equine feeds, supplements and products contain Bacillus subtilis as an ingredient.

Feeds, Supplements & Products
101 Diet Balancer (Stride Animal Health)
Amino AcidAmino Acid
Mineral BalanceMineral Balance
Ration BalancerRation Balancer
VitaminsVitamins
101 Diet Balancer is a vitamin and mineral supplement intended to balance forage- and grain-based diets. This concentrated supplement has a lower NSC content and contains organic trace minerals, yeast, and digestive enzymes.
14% Performance Formula (Triple Crown) – [Discontinued]
ExerciseExercise
FlavorFlavor
PerformancePerformance
Weight IssuesWeight Issues
Triple Crown 14% Racing Formula is a discontinued feed which was a high-fat, high-energy feed containing a blend of grains and fat sources. It was designed for young performance horses, broodmares, breeding stallions, yearlings and weanlings.
14% Racing Formula (Triple Crown)-[Discontinued]
EnergyEnergy
ExerciseExercise
NutritionNutrition
PerformancePerformance
Triple Crown 14% Racing Formula is a high calorie textured feed containing a blend of grains with soybean meal and molasses. It is intended for young performance horses, broodmares, breeding stallions and growing foals.
34% Horse Supplement (Kalmbach Feeds)
Amino AcidAmino Acid
MuscleMuscle
NutritionNutrition
ProteinProtein
34% Horse Supplement by Kalmach Feeds is a pelleted supplement that provides 34% crude protein, as well as vitamins and minerals. It is designed to be mixed into complete rations for a wide range of horses.
4-In-1 (Meal) (MVP)
Coat QualityCoat Quality
DigestionDigestion
Hoof HealthHoof Health
JointsJoints
4-In-1 by MVP is a premixed supplement for horses to that intends to support joint function, hoof growth, hair coat and digestive function. It contains glucosamine, chondroitin sulphate, biotin, omega 3 & 6, and probiotics.
4-In-1 H/A Joint Supplement (MVP)
Coat QualityCoat Quality
DigestionDigestion
Hoof HealthHoof Health
JointsJoints
4-In-1 H/A Joint Supplement by MVP is a pelleted supplement that combines vitamins, minerals, and probiotics. It intends to support joint function, hoof growth, hair coat, and digestive system.
5-In-1 H/A (MVP)
Coat QualityCoat Quality
DigestionDigestion
Hoof HealthHoof Health
JointsJoints
5-In-1 H/A by MVP is a pelleted supplement for horses that intends to help support joint function. It is palatable with apple flavouring and contains glucosamine, hyaluronic acid, chondroitin sulphate, and MSM.
Achiever Foal Non-GMO (Daily Dose Equine)
BroodmareBroodmare
FoalFoal
GrainsGrains
Ration BalancerRation Balancer
Achiever Foal Non-GMO by Daily Dose Equine is a premixed forage balancer intended for broodmares in their last 2 months of pregnancy and for foals up to age 3. It contains minerals, vitamins, amino acids, and probiotics.
Achiever Non-GMO (Daily Dose Equine)
GrainsGrains
Gut HealthGut Health
Ration BalancerRation Balancer
VitaminsVitamins
Achiever Non-GMO by Daily Dose Equine is a textured feed that is intended to be fed as a forage ration balancer. It contains vitamins, minerals, amino acids, and probiotics meant for proper nutrient absorption.
Achiever-Lite (Daily Dose Equine)
GrainsGrains
Gut HealthGut Health
NutritionNutrition
Ration BalancerRation Balancer
Achiever-Lite by Daily Dose Equine is a textured feed that is intended to be fed as a forage ration balancer for easy keepers. It contains vitamins, minerals, amino acids, and probiotics for proper nutrient absorption.
Activate Energy Builder (Pink Rose Organix)
Complete FeedComplete Feed
DigestionDigestion
EnergyEnergy
PerformancePerformance
Activate Energy Builder by Pink Rose Organix is a part of the PRO Series line and is intended for high performance horses. It is soy-free and designed for muscle repair and digestive health.
Air-Way EQ (MVP)
HealthHealth
ImmunityImmunity
RespiratoryRespiratory
VitaminsVitamins
Air-Way EQ by MVP is a pelleted supplement that is intended to help maintain normal histamine levels in horses with seasonal allergies. It contains ingredients that are meant to support healthy lungs and the immune system.
Alaska Equine Gold (Alaska Garden and Pet Supply)
HealthHealth
NutritionNutrition
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Alaska Equine Gold by Alaska Garden and Pet Supply is a pelleted feed formulated with enhanced vitamin and mineral supplementation to help balance the deficiencies of a forage-based diet.
Alfa Essentials (Tribute)
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
Ration BalancerRation Balancer
VitaminsVitamins
Alfa Essentials is a ration balancer formulated for diets that contain greater than 50% legume forages such as alfalfa. It provides higher phosphorous than calcium to balance elevated levels of calcium.
Alfa Growth (Tribute Equine)
Complete FeedComplete Feed
FatFat
GrowthGrowth
LactationLactation
Tribute Alfa Growth® is a textured feed for growing horses and pregnant or lactating broodmares that are consuming 50% or more legume forages such as alfalfa hay.
Alfa Pro (Hi-Pro Feeds)
FiberFiber
ForageForage
HealthHealth
NutrientsNutrients
Alfa Pro by Hi-Pro Feeds is a fortified, ground alfalfa cube designed for optimal equine nutrition. It is formulated to meet the dietary requirements of mature horses.
Alfa-Pro Elite (Hi-Pro Feeds)
ForageForage
Grain FreeGrain Free
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
Alfa-Pro Elite by Hi-Pro Feeds is a fortified, ground alfalfa cube. It is grain-free and low in NSC, making it suitable for horses with metabolic conditions.
AlfaForce Yellow Tag (AlfaForce Equine)
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
PerformancePerformance
ProteinProtein
AlfaForce Yellow Tag by AlfaForce Equine is a pelleted feed designed for all classes of horses. It is formulated with 16% protein, 3% fat and has a maximum non-structural carbohydrate level of 13.9%.
Alfalfa Advantage (ProElite)
Mineral BalanceMineral Balance
NutritionNutrition
Ration BalancerRation Balancer
VitaminsVitamins
ProElite Alfalfa Advantage is a low-feeding rate pelleted ration balancer intended to balance diets composed of alfalfa forages. It can be fed to all classes of horses.
AlfaMax RX (Alfamax Feed)
Complete FeedComplete Feed
DigestionDigestion
HealthHealth
Low NSC FeedsLow NSC Feeds
AlfaMax RX from Alfamax Feed is a complete pelleted feed. AlfaMax RX contains no soybean meal & is intended for horses' requiring a low NSC content (starch + sugars).
All-In-One Supplement (Extreme Equine Supplements)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
NutritionNutrition
VitaminsVitamins
All-In-One Supplement by Extreme Equine Supplements is a comprehensive vitamin and mineral formula designed to support overall health and development in horses.
Amber Grains Classic 12-4 Fiberwise (Coker Feed Mill)
DigestionDigestion
Easy KeeperEasy Keeper
FiberFiber
RecoveryRecovery
Amber Grains Classic 12-4 Fiberwise by Coker Feed Mill is a high-fiber (20%) textured feed intended for easy keepers and horses in recovery.
Amber Grains Classic 12-6 Textured (Coker Feed Mill)
NutrientsNutrients
NutritionNutrition
PrebioticPrebiotic
ProbioticProbiotic
Amber Grains Classic 12-6 Textured by Coker Feed Mill is a textured feed intended to supplement hay. It is designed for active horses not in heavy work.
Amber Grains Classic Senior Textured (Coker Feed Mill)
DigestionDigestion
FiberFiber
Gut HealthGut Health
SeniorSenior
Amber Grains Classic Senior Textured by Coker Feed Mill is a textured feed intended to support digestion and body condition in senior horses.
Amber Grains Elite 10-10 Performance (Coker Feed Mill)
DigestionDigestion
EnergyEnergy
MuscleMuscle
PerformancePerformance
Amber Grains Elite 10-10 Performance by Coker Feed Mill is a high calorie textured feed intended to support digestion, muscle gain and endurance in performance horses.
Amber Grains Elite 12-12 Performance (Coker Feed Mill)
DigestionDigestion
EnergyEnergy
Gut HealthGut Health
PerformancePerformance
Amber Grains Elite 12-12 Performance by Coker Feed Mill is a textured feed intended to provide cool energy for performance horses.
Amber Grains Elite Front Runner (Coker Feed Mill)
Caloric EnergyCaloric Energy
EnergyEnergy
Gut HealthGut Health
PerformancePerformance
Amber Grains Elite Front Runner by Coker Feed Mill is a high-energy feed intended for performance. It is formulated to support strength, stamina and endurance in horses.
Amber Grains Elite Mare and Foal (Coker Feed Mill)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Amber Grains Elite Mare and Foal by Coker Feed Mill is a textured feed intended to support overall health in pregnant mares, lactating mares and growing foals.
Amber Grains Elite Serenity Ultra LS (Coker Feed Mill)
HealthHealth
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
SeniorSenior
Amber Grains Elite Serenity Ultra LS by Coker Feed Mill is a low NSC (8.94%) pelleted feed intended for horses with sensitive digestive systems.
Amber Grains Elite Super Senior (Coker Feed Mill)
DigestionDigestion
FiberFiber
ProbioticProbiotic
SeniorSenior
Amber Grains Elite Super Senior by Coker Feed Mill is a textured feed intended to support overall health and digestion in senior horses.
AssureGuard Gold (Arenus Animal Health)
DigestionDigestion
Gut HealthGut Health
PerformancePerformance
ProbioticProbiotic
AssureGuard Gold from Arenus Animal Health is a digestive supplement that is meant to help with gut health, body condition, and performance. It contains protein, fat, fiber, and probiotics.
Balancer (Triple Crown)
Easy KeeperEasy Keeper
Metabolic SyndromeMetabolic Syndrome
NutritionNutrition
Ration BalancerRation Balancer
Triple Crown® Balancer is a pelleted mineral and vitamin supplement providing 30% protein, 3% fat and 5% fibre. This ration balancer contains essential amino acids, vitamins, macro minerals, trace minerals, bacteria and enzymes.
Balancer Gold (Triple Crown)
Easy KeeperEasy Keeper
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
Ration BalancerRation Balancer
Balancer Gold is a soy-free ration balancer with 13.5% protein, 4.5% fat and 14.2% NSC. It has a lower feeding rate and can be used alone or in combination with other complete feeds or feed ingredients.
Base Mix P55 (Uckele)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Base Mix P55 is a powdered vitamin and mineral supplement intended for pregnant or lactating mares, growing foals, and performance horses. This supplement contains balanced calcium to potassium ratio.
BioMane Equine Pellets (BioMane)
Amino AcidAmino Acid
Coat QualityCoat Quality
Mineral BalanceMineral Balance
VitaminsVitamins
BioMane Equine Pellets is a horse supplement containing amino acids, vitamins and minerals designed to support hair health. The pellets are composed of organic and inorganic minerals, and contain 14% crude protein, 5% fat and 6% fiber.
Biotin II 22X Pellets (MVP)
Amino AcidAmino Acid
Hoof HealthHoof Health
ProbioticProbiotic
VitaminsVitamins
Biotin II 22X Pellets by MVP is a supplement intended for horses of all life stages that contains a combination of biotin, amino acids, trace minerals and probiotics that intends to help maintain hooves and support growth and repair.
Breeders Choice Plus (DAC)
BroodmareBroodmare
NutrientsNutrients
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Breeders Choice Plus by DAC is a powdered vitamin and mineral supplement designed for breeding horses. It contains trace minerals, selenium, and probiotics.
Carb-Buster Non-GMO (Daily Dose Equine)
Gut HealthGut Health
Low NSC FeedsLow NSC Feeds
Ration BalancerRation Balancer
VitaminsVitamins
Carb-Buster Non-GMO by Daily Dose Equine is a premixed feed that is intended to be fed as a forage ration balancer. It contains vitamins, minerals, amino acids, and probiotics meant for proper nutrient absorption.
Classic 12 Plus (Manna Pro) [Discontinued]
BroodmareBroodmare
Complete FeedComplete Feed
NutritionNutrition
PerformancePerformance
Classic 12 Plus from Manna Pro is a pelleted feed designed for performance horses, stallions, and broodmares. Classic 12 Plus provides 12% crude protein, 6% crude fat, 8% crude fibre, and uses a mix of organic and inorganic trace minerals.
CocoSoya Granular (Uckele)
Coat QualityCoat Quality
FatFat
Omega 3-6-9Omega 3-6-9
Weight IssuesWeight Issues
CocoSoya Granular by Uckele is a supplement for horses that contains 29% fat levels that combines flax seed and rice bran that intends to provide an energy source to build and maintain weight.
Colostrum Supplement (Manna Pro)
FoalFoal
GrowthGrowth
Gut HealthGut Health
ProteinProtein
Colostrum Supplement by Manna Pro is a colostrum additive designed to be fed to newborn calves, kids, lambs, foals, piglets, llama, alpacas, puppies and kittens. It is milk protein-based and fortified with added vitamins and minerals.
Combined 4-Way (Equerry’s)
DigestionDigestion
JointsJoints
Skin + HairSkin + Hair
VitaminsVitamins
Combined 4-Way by Equerry's is a powdered supplement that intends to support digestive, hoof, coat and joint health in senior or performance horses.
Complement Advantage (Excel Equine Feeds)
FiberFiber
HealthHealth
NutrientsNutrients
NutritionNutrition
Complement Advantage by Excel Equine Feeds is a textured feed intended for hard keepers or horses in heavy training.
Complement Control (Excel Equine Feeds)
EnergyEnergy
HealthHealth
NutritionNutrition
PerformancePerformance
Complement Control by Excel Equine Feeds is a pelleted feed intended to provide nutrition with a low feeding rate for growing, performance, breeding and maintenance horses.
Complement Foundation (Excel Equine Feeds)
HealthHealth
ImmunityImmunity
NutrientsNutrients
NutritionNutrition
Complement Foundation by Excel Equine Feeds is a beet pulp based textured feed intended for all horse types.
Complete (Triple Crown)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
NutritionNutrition
PerformancePerformance
Triple Crown Complete is a high-fibre feed with beet pulp and added vitamins and minerals designed for performance horses. This feed provides 12% protein and 12% fat in a textured format.
Critical Care Metabolic Support (Natural Horse Vet)
MetabolismMetabolism
Metabolic SyndromeMetabolic Syndrome
Mineral BalanceMineral Balance
VitaminsVitamins
Critical Care Metabolic Support by Natural Horse Vet is a powdered supplement intended to support horses with insulin resistance, proper weight management, and thyroid function.
D-Carb Balance (Pellets) (MVP)
MetabolismMetabolism
Metabolic SyndromeMetabolic Syndrome
Mineral BalanceMineral Balance
VitaminsVitamins
D-Carb Balance is a pelleted supplement provides high magnesium and chromium levels that intend to help support blood sugar levels. It is intended for diets consisting of Timothy or Bermuda grass-type hay, no grain, or small amounts of low-carb feedstuffs.
Daily Combo (Empire Research)
Competition HorsesCompetition Horses
DigestionDigestion
IngredientIngredient
YeastYeast
Daily Combo from Empire Research is an equine digestion supplement. Daily Combo is formulated with vitamins, minerals, prebiotics, probiotics and yeast. This supplement is intended to support horses' gut function.
DailyWerks HD (HorseTech)
Hoof HealthHoof Health
JointsJoints
PerformancePerformance
Ration BalancerRation Balancer
DailyWerks HD by HorseTech is a powdered ration balancer intended to support hoof and joint health in horses in heavy work.

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