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Microbial-based Additives - Feed Ingredient

Microbial-based additives include live microorganisms such as yeasts (Saccharomyces cerevisiae) and bacteria (Lactobacillus, Bifidobacterium, Enterococcus), as well as their derivatives like bacterial or yeast extracts and fermentation products. These additives are used in equine feeds to support gut microbial balance, improve fiber digestion, and enhance nutrient utilization.
Extracts and postbiotics may include cell wall components (e.g., beta-glucans, mannan-oligosaccharides) or fermentation metabolites that influence gut function and immunity. Enzymes produced through microbial fermentation, such as cellulase or xylanase, may also be included to assist in the breakdown of fibrous feed components.

The following equine feeds, supplements and products contain Microbial-based Additives 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.
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.
Omneity Premix – Vitamin & Mineral Supplement (Mad Barn)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Omneity Premix is a balanced mineral and vitamin supplement for horses providing 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.
Optimum Probiotic (Mad Barn)
DigestionDigestion
Gut HealthGut Health
ImmunityImmunity
ProbioticProbiotic
Mad Barn's Optimum Probiotic is a pure 5-strain probiotic supplement in a powdered format. It provides 20 billion CFU per serving of L. acidophilus, L. fermentum, L. casei, L. plantarum, and L. farciminis.
Trace Mineral Pak (Mad Barn)
Coat QualityCoat Quality
ExerciseExercise
Hoof HealthHoof Health
Organic Trace MineralsOrganic Trace Minerals
Trace Mineral Pak from Mad Barn is a balanced equine supplement providing 100% organic (chelated) trace minerals. Ingredients include selenium, zinc, copper, and manganese.
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.
Profix ADVANCED (Hestevard)
DigestionDigestion
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
Profix ADVANCED by Hestevard is a paste supplement intended to maintain a healthy digestive system in all foals, horses and ponies.
Profix Paste Oral Syringe (Hestevard)
DigestionDigestion
Gut HealthGut Health
ImmunityImmunity
ProbioticProbiotic
Profix Paste Oral Syringe by Hestevard is a supplement intended to support gut health and function in all horse and pony types.
ProForce Fuel (Nutrena)
Competition HorsesCompetition Horses
EnergyEnergy
ExerciseExercise
FatFat
Nutrena ProForce Fuel is a 13% fat horse feed intended for performance athletes and hard keepers. It is meant to provide a higher calorie density with a maximum of 20% NSC.
ProForce Fuel XF (Nutrena)
Competition HorsesCompetition Horses
EnergyEnergy
ExerciseExercise
FatFat
Nutrena ProForce® Fuel XF is a 13% fat horse feed formulated for high performance horses that need additional nutritional support to meet the demands of stress and rigorous training.
ProForce Senior (Nutrena)
EnergyEnergy
ExerciseExercise
FiberFiber
SeniorSenior
Nutrena ProForce Senior is an 11% fat horse feed intended for senior equine athletes. It contains energy from digestible fiber sources and extruded fat nuggets with a maximum of 18% NSC.
Proformance 14 (Excel Equine Feeds)
BroodmareBroodmare
HealthHealth
NutrientsNutrients
PerformancePerformance
Proformance 14 by Excel Equine Feeds is a fortified textured feed intended for broodmares, foals, weanlings, yearlings and performance horses.
Proformance Sales Prep (Excel Equine Feeds)
GrowthGrowth
HealthHealth
NutrientsNutrients
NutritionNutrition
Proformance Sales Prep by Excel Equine Feeds is a textured feed intended to keep growing horses in proper condition for sale day.
PROMINENT Textured Horse Feed (BUCKEYE Nutrition)
Competition HorsesCompetition Horses
MuscleMuscle
PerformancePerformance
ProteinProtein
Prominent Textured Horse Feed by Buckeye Nutrition is a complete feed formulated for performance horses. It is palatable and provides 14% protein, 32% NSC and energy from oats, wheat, corn, and soybean oil.
ProSetol (Hestevard)
CalmingCalming
Gut HealthGut Health
HealthHealth
RecoveryRecovery
ProSetol by Hestevard is a powdered supplement intended to support nervous horses and ponies.
Protein Plus (McMillan Equine Feeds)
Gut HealthGut Health
MuscleMuscle
PerformancePerformance
ProteinProtein
Protein Plus by McMillan Equine Feeds is a complete textured feed containing no oats. It is intended to meet the nutritional needs of performance horses and horses in heavy work.
Protek GI (Kelato)
DigestionDigestion
Gut HealthGut Health
HealthHealth
HindgutHindgut
Protek GI by Kelato is a supplement intended to support overall digestive health in horses.
Protenza (Hallway)
CalmingCalming
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
NutritionNutrition
Protenza from Hallway is a textured feed fortified with Stamm 30, formulated for the competition horse. This feed contains 10% protein and 10% fat.
Prove PRO:formance (Farrier’s Magic)
Caloric EnergyCaloric Energy
FiberFiber
GrainsGrains
NutritionNutrition
Prove PRO:formance is a complete grain ration intended to help provide horses, of all ages and levels of work, with all the needed nutrients that they might not have if only fed pasture or hay.
Pur-A-Plus (Purina)
Feed EfficiencyFeed Efficiency
HindgutHindgut
VitaminsVitamins
YeastYeast
Pur-A-Plus is a vitamin-enriched yeast culture supplement made with Saccharomyces cerevisiae. Yeast supports the hindgut microbial environment and digestion in horses. Each 28-gram serving provides 9 billion CFUs.
Pure & Simple Balancer (Hallway)
NutritionNutrition
ProteinProtein
Ration BalancerRation Balancer
ToplineTopline
Pure & Simple Balancer from Hallway is marketed as a non-GMO ration balancer. Pure & Simple contains 14% protein and provides 1048 kcal per lb of digestible energy.
Pure Balance (Pure Feed Company)
Easy KeeperEasy Keeper
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Pure Balance by Pure Feed Company is a pelleted horse feed that supports health and vitality. It is free from molasses and wholegrain cereals and contains linseed to encourage healthy coat condition and shine.
Pure Brewers Yeast (AniMed)
DigestionDigestion
Hoof HealthHoof Health
IngredientIngredient
VitaminsVitamins
This supplement from AniMed contains pure brewers yeast. This product is meant to provide horses with vitamin Bs, amino acids, protein, and minerals. It's goal is to support hoof health, and digestive tract health.
Pure Condition Mix (Pure Feed Company)
FatFat
MuscleMuscle
Omega 3-6-9Omega 3-6-9
PerformancePerformance
Pure Condition Mix by Pure Feed Company is a textured horse feed that promotes positive behaviour and helps to improve muscle development. It supports digestive health and supplies calm energy to the horse.
Pure Condition Pellets (Pure Feed Company)
DentalDental
FatFat
Omega 3-6-9Omega 3-6-9
ToplineTopline
Pure Condition Pellets by Pure Feed Company is a pelleted horse feed that intends to assist with muscle development. Pure Condition Pellets contain a high oil content to promote weight gain.
Pure Easy (Pure Feed Company)
EnergyEnergy
ExerciseExercise
Mineral BalanceMineral Balance
VitaminsVitamins
Pure Balance by Pure Feed Company is a pelleted horse feed that supports health and vitality. It is free from molasses and wholegrain cereals and contains linseed to encourage healthy coat condition and shine.
Pure Fibre Balance (Pure Feed Company)
Easy KeeperEasy Keeper
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Pure Fibre Balance by Pure Feed Company is a textured horse feed for easy keepers that includes vitamins and minerals. It is a high fibre content to support gut health and is low in calories to prevent unwanted weight gain.
Pure Meadow Mash (Pure Feed Company)
DentalDental
FiberFiber
Hay StretcherHay Stretcher
NutrientsNutrients
Pure Meadow Mash by Pure Feed Company is a pelleted hay stretcher that is quick soaking and palatable. It is high fibre and with added pre and probiotic to support gut health and is ideal for older horses or those with poor dentition.
Pure Performance (Pure Feed Company)
EnergyEnergy
MuscleMuscle
NutrientsNutrients
PerformancePerformance
Pure Performance by Pure Feed Company is a textured feed that contains oats to provide an instant energy source. It also has oil that gives your horse sustained and controlled power and fibre to be kind to the digestive system.
Pure Stud (Pure Feed Company)
Caloric EnergyCaloric Energy
GrowthGrowth
NutrientsNutrients
StallionStallion
Pure Stud by Pure Feed Company is a textured feed which supports bone development and is low in starch. Pure Stud provides growing horses with the essential nutrients they require for proper growth.
Pure Veteran Mix (Pure Feed Company)
Caloric EnergyCaloric Energy
Mineral BalanceMineral Balance
SeniorSenior
VitaminsVitamins
Pure Veteran Mix by Pure Feed Company is a textured feed formulated with high levels of vitamins and minerals for older horses. It is free from molasses and maintains topline and muscle tone through easily digested protein.
Pure Veteran Pellets (Pure Feed Company)
Caloric EnergyCaloric Energy
DentalDental
Mineral BalanceMineral Balance
SeniorSenior
Pure Veteran Pellets by Pure Feed Company is a pelleted feed designed to help older horses with very poor dentition. It is formulated with high levels of vitamins and minerals and is free from molasses.
Pure Working (Pure Feed Company)
Competition HorsesCompetition Horses
FatFat
NutritionNutrition
Weight IssuesWeight Issues
Pure Working by Pure Feed Company is a textured horse feed that provides extra stamina without spooking. It has a high amino acid content for topline muscle development and is an All-in-one feed with vitamins and minerals.
Purina Ultium Senior Horse Feed (Purina)
FatFat
FiberFiber
Low NSC FeedsLow NSC Feeds
SeniorSenior
Purina Ultium Senior Horse Feed is a high-fibre, high-fat, low-starch, low-sugar pelleted extruded feed specially formulated for senior horses.
Qelan (St.Hippolyt)
Competition HorsesCompetition Horses
EnergyEnergy
PerformancePerformance
StallionStallion
Qelan by St.Hippolyt is a supplement intended to provide horses with extra energy. It is recommended for situations when horses may lack sufficient energy, such as breeding and competing.
QuadraCare (The Mill)
DigestionDigestion
HealthHealth
Hoof HealthHoof Health
JointsJoints
QuadraCare from The Mill is a pelleted hoof, digestion, and joint supplement. QuadraCare is intended to support joint health, digestive function, and hoof quality in horses.
Quality Blend 12% (Quality Feeds)
Easy KeeperEasy Keeper
HealthHealth
Mineral BalanceMineral Balance
VitaminsVitamins
Quality Blend 12% by Quality Feeds is a textured sweet feed intended for horses in light work, maintenance or breeding horses.
Quality Blend 14% (Quality Feeds)
EnergyEnergy
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Quality Blend 14% is a sweet feed with vitamins and minerals. It is meant to help with growth and performance.
Quantify (Hallway)
EnergyEnergy
FatFat
NutritionNutrition
Weight IssuesWeight Issues
Quantify from Hallway is a cubed feed fortified with Stamm 30 with added fat from soy oil. This feed is intended for broodmares, stallions, performance horses, or horses that are in need of weight gain. Quantify contains 14% protein, 8% fat, and 10% fibre.
Quick (Excel Equine Feeds)
DigestionDigestion
FoalFoal
HealthHealth
NutritionNutrition
Quick by Excel Equine Feeds is a milk based pellet intended for creep feeding foals. It is designed for foals up to 5 months of age.
Quick Fix (Equine Premium)
Gut HealthGut Health
HindgutHindgut
StressStress
YeastYeast
Quick Fix from Equine Premium is meant to support the gut microbiota during times of high stress for all horses and ponies. It contains yeast and has peppermint flavouring which is intended to increase palatability.
Quiet Cubes (Allen & Page)
Easy KeeperEasy Keeper
ExerciseExercise
HerbHerb
NutrientsNutrients
Quiet Cubes from Allen & Page is intended for easy keepers and horses and ponies at rest or in light work. This feed contains added mint which is meant to increase palatability.
Quiet Mix (Allen & Page)
Easy KeeperEasy Keeper
ExerciseExercise
Gut HealthGut Health
NutrientsNutrients
Quiet Mix from Allen & Page is intended for horses and ponies at rest or in light work. This feed contains yeast which is meant to support overall gut health.
RACE ‘N WIN Textured Feed (BUCKEYE Nutrition)
Complete FeedComplete Feed
EnergyEnergy
Gut HealthGut Health
PerformancePerformance
RACE 'N WIN is a textured feed designed for performance horses who require high-energy feed. It also contains added amino acids, beet pulp, probiotics, and prebiotic ingredients.
Race 13 (Capstone Horse Feed)
Competition HorsesCompetition Horses
DigestionDigestion
EnergyEnergy
PerformancePerformance
Race 13 by Capstone Horse Feed is a high energy feed intended for high performance horses.
Race 13 (Hallway)
Competition HorsesCompetition Horses
DigestionDigestion
FiberFiber
PerformancePerformance
Hallway's Race 13 is a textured sweet feed with high energy density to meet the calorie requirements of performance horses. It provides moderate 6% fat and 10% fibre content.
Race First (Excel Equine Feeds)
Competition HorsesCompetition Horses
HealthHealth
NutritionNutrition
PerformancePerformance
Race First is a textured feed from Excel Equine Feeds. Race First is intended for horses in heavy work, and contains ingredients intended to support digestive health.
Race Horse Cubes (Bluegrass Horse Feed)
Competition HorsesCompetition Horses
EnergyEnergy
HindgutHindgut
PerformancePerformance
Race Horse Cubes is a high-energy pelleted feed. It is intended for horses and ponies of all ages and in moderate to heavy work. It contains 14% protein, 3.5% fat, and 15.2% fibre.
Race Horse Feed (Lifeline)
Competition HorsesCompetition Horses
EnergyEnergy
FiberFiber
NutritionNutrition
Race Horse Feed by Lifeline is a feed formulated for performance horses with high energy demands. This feed contains 14% protein, 7% fat, and 12% fiber.
Race Lite Cubes (Dodson & Horrell)
Competition HorsesCompetition Horses
ExerciseExercise
NutritionNutrition
Organic Trace MineralsOrganic Trace Minerals
Race Lite Cubes is a lower protein racing feed made for horses beginning training or on a lighter training schedule. This feed contains a protein content of 12%, a fibre level of 16%, and a moderate NSC content of 19%.
Race Lite Muesli (Dodson & Horrell)
Amino AcidAmino Acid
ExerciseExercise
Mineral BalanceMineral Balance
PerformancePerformance
Race Lite Muesli is a textured lower protein racing feed made for horses beginning training or on a lighter training schedule. This feed contains a protein content of 12%, a fibre level of 9%, and moderate fat content of 4.5%.
Race Mix (Dunstan)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Race Mix by Dunstan is a complete, balanced feed providing working horses with protein, energy, vitamins and minerals for performance and health.
Race N Win (Barastoc)
EnergyEnergy
MuscleMuscle
NutrientsNutrients
PerformancePerformance
Barastoc's Race N Win is a muesli that is oat free and contains vitamins, minerals, and amino acids. This feed is meant for high performance horses. It is meant to assist in muscle health, providing energy, and gut health.
Race Time (Capstone Horse Feed)
AntioxidantAntioxidant
HealthHealth
NutritionNutrition
SeniorSenior
Race Time by Capstone Horse Feed is a muesli style feed intended for mature horses.
Racehorse Cubes (Dodson & Horrell)
Competition HorsesCompetition Horses
FatFat
GrainsGrains
NutritionNutrition
Racehorse Cubes is a feed designed for racehorses in full training. This feed is high in NSC to give the horses an energy boost. It is also high in protein for proper muscle building and includes some ricebran to support a good body condition.
Racehorse Cubes (Spillers Feeds)
Caloric EnergyCaloric Energy
GrainsGrains
PerformancePerformance
ProteinProtein
Spillers Feed Racehorse Cubes is intended for performance and racing horses in heavy work. This cubed feed is high in energy and contains cooked cereal grains, which promote the quick release of energy. The 14% protein additionally supports muscle development and performance.

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