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Direct Fed Microbials - Feed Ingredient

Direct Fed Microbials (DFMs) refer to live, beneficial microorganisms included in animal feeds to support gastrointestinal health and microbial balance. Common types include species of Lactobacillus, Bifidobacterium, Enterococcus, Streptococcus, and certain yeast strains like Saccharomyces cerevisiae.

DFMs are typically added to feeds or supplements in viable form and are intended to colonize or interact with the gut microbiota. They may support digestive efficiency by promoting beneficial microbial populations, competing with undesirable microbes, and enhancing fiber fermentation—especially relevant in hindgut fermenters like horses

The following equine feeds, supplements and products contain Direct Fed Microbials as an ingredient.

Feeds, Supplements & Products
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.
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.
Foal Balancer Milk Pellets (Seminole)
FoalFoal
GrowthGrowth
ProbioticProbiotic
YeastYeast
Seminole Foal Balancer Milk Pellets is a milk replacer and creep feed intended for nursing and orphan foals. It can also be fed to lactating mares and performance horses. This feed contains probiotic and yeast culture.
Foal Foundation (Tribute Equine)
FoalFoal
GrowthGrowth
PrebioticPrebiotic
ProbioticProbiotic
Tribute Foal Foundation™ is a milk-based pellet for foals up to three months of age to supplement the nutrients provided in mare's milk. The smaller pellet size helps to transition the foal to solid feeds.
Focus (ImmuBiome)
CalmingCalming
ImmunityImmunity
ProbioticProbiotic
StressStress
Focus by ImmuBiome is a powdered supplement that is intended to help focus anxious, stressed, and nervous horses. This supplement is meant to support the nervous system, immune system, and gut microbiome.
ForeDigest (Forefront Equine)
DigestionDigestion
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
ForeDigest is a powdered supplement containing various enzymes and ingredients intended to promote gut health. It is suitable for horses of all ages and work levels.
ForeJoint (Forefront Equine)
ExerciseExercise
JointsJoints
RecoveryRecovery
SeniorSenior
ForeJoint is a powdered supplement intended to promote healthy joint mobility and maintain healthy cartilage. It is suitable for horses of all ages and work levels but especially beneficial for mature and performance horses.
ForeRespiratory (Forefront Equine)
ExerciseExercise
HerbHerb
PerformancePerformance
RespiratoryRespiratory
ForeRespiratory is a supplement intended to promote respiratory health. It is ideal for performance horses to reach their full potential. It is also suitable for horses exposed to dusty environments or that have respiratory issues.
ForeRunner Paste (Forefront Equine)
HydrationHydration
PerformancePerformance
StaminaStamina
StressStress
ForeRunner Paste is an electrolyte supplement. It is intended to prevent dehydration and support quick recovery after competition. It is ideal for performance horses.
Fortify (Dove Performance Nutrition)
Mineral BalanceMineral Balance
NutrientsNutrients
Ration BalancerRation Balancer
VitaminsVitamins
Fortify from Dove Performance Nutrition is a pelleted feed ration for horses. It contains vitamins, minerals, protein, fiber and fat.
Fortify (Excel Equine Feeds)
FiberFiber
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
Fortify from Excel Equine Feeds is a textured feed intended for horses in all stages of life. This feed contains 13% protein and 8% fat. Fortify is intended for horses in any level of work.
Freestyle Performance (Daily Dose Equine)
Caloric EnergyCaloric Energy
FatFat
FiberFiber
PerformancePerformance
Freestyle Performance by Daily Dose Equine is a textured feed that is higher in fat and fibre than Sweet ‘n Safe. It is intended for performance horses. It is also known as Trail Mix.
G.I. Stable-ez (Elk Grove Milling)
DigestionDigestion
Gut HealthGut Health
PerformancePerformance
StressStress
G.I Stable-ez by Elk Grove Milling is a digestive support supplement in mini pellet form. It is intended to support a healthy gastrointestinal system in horses undergoing stress or changes in routine.
Gain (Mcintosh Pro Line)
Coat QualityCoat Quality
FatFat
HealthHealth
PerformancePerformance
Gain from Mcintosh Pro Line contains a blend of fats, proteins and carbohydrates intended to improve athletic performance. Gain is intended to improve coat quality and support gastrointestinal function.
Gain Weight (Cox Vet Lab)
FatFat
Omega 3-6-9Omega 3-6-9
Skin + HairSkin + Hair
Weight IssuesWeight Issues
Gain Weight is a supplement intended to add additional calories and fat to a horse's diet. It can be beneficial to improve condition.
Gastro-Plex (Paste) (MVP)
Competition HorsesCompetition Horses
DigestionDigestion
Gut HealthGut Health
StressStress
Gastro-Plex by MVP is a paste supplement for horses that intends to help support healthy gut function. It contains a blend of probiotics and vitamins and is intended for feeding before and during competition.
Gentle Gut (DuMor)
DigestionDigestion
Gut HealthGut Health
HindgutHindgut
ProbioticProbiotic
DuMor Gentlegut is a pelleted supplement which encourages healthy digestive function, with probiotics and enzymes to support the digestion of forages and feed.
Get Go (Elk Grove Milling) [Discontinued]
Bone HealthBone Health
BroodmareBroodmare
FoalFoal
GrowthGrowth
Get Go by Elk Grove Milling is a pelleted complete feed intended for broodmares, foals and weanlings up to 18 months.
GI Health (Doctor’s Choice Supplements)
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
VitaminsVitamins
GI Health is a pre/probiotic supplement intended for horses subjected to stressful situations such as travelling and competition. It intends to promote gut function.
GIT Activator (Poulin Grain)
Gut HealthGut Health
HealthHealth
ProbioticProbiotic
YeastYeast
GIT Activator by Poulin Grain is a supplement that provides the Saccharomyces cerevisiae strain of yeast. Supplementing yeast can improve digestion and support gut health in farm animals. Previously know as "Live Cell Yeast".
Golden Oldies (Keyflow Feeds)
HealthHealth
NutritionNutrition
PrebioticPrebiotic
Weight IssuesWeight Issues
Golden Oldies from Keyflow Feeds is a quick soak balancer mash ideal for horses with poor dentition. Golden Oldies is highly palatable and has low NSC (9.5%).
Good n Sound (West Feeds, Inc)
Complete FeedComplete Feed
DigestionDigestion
Grain FreeGrain Free
NutritionNutrition
Good n Sound is a pelleted equine feed that contains 14% protein and 7% fat. It is intended for senior horses, hard keepers, and horses with sensitive stomachs.
Grain Free Complete Feed (CEN)
Complete FeedComplete Feed
Grain FreeGrain Free
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
This complete feed from CEN is a low sugar and starch feed that can be fed to any horse and is grain free. Live probiotics and prebiotics can help with gut health, and this feed can also contribute to skin, coat, and hoof health.
Grand Slam (Equi-lete)
Easy KeeperEasy Keeper
Gut HealthGut Health
HealthHealth
Ration BalancerRation Balancer
Grand Slam by Equi-lete is a pelleted ration balancer intended for easy keepers and horses on forage-based diets.
Grass Advantage (ProElite)
Mineral BalanceMineral Balance
NutritionNutrition
Ration BalancerRation Balancer
VitaminsVitamins
ProElite Grass Advantage is a pelleted ration balancer intended to balance grass and mixed forages. It can be fed to broodmares, growing, performance, and maintenance horses.
GROSTRONG 33 Ration Balancer (ADM Animal Nutrition)
NutritionNutrition
ProteinProtein
Ration BalancerRation Balancer
VitaminsVitamins
GroStrong 33 is a ration balancer that contains 33% protein. It provides a blend of vitamins and minerals to support maintenance, growth, reproduction and performance.
GROSTRONG Metabolic Mineral Pellet (ADM Animal Nutrition)
ElectrolyteElectrolyte
Gut HealthGut Health
MetabolismMetabolism
Ration BalancerRation Balancer
GroStrong Metabolic Mineral Pellet by ADM is a pelleted supplement intended for overweight, starch-sensitive and easy keeper horses. It contains a blend of organic and inorganic minerals in a corn-, alfalfa- and molasses- free formulation.
Growth (Legends)
Complete FeedComplete Feed
FoalFoal
GrowthGrowth
LactationLactation
Legends Growth is a textured horse feed targeted to foals, growing horses, pregnant and lactating mares. It is formulated with higher amino acid content to support development.
Growth (Triple Crown)
FoalFoal
GrowthGrowth
LactationLactation
StallionStallion
Triple Crown Growth is a beet-pulp-based feed intended to support healthy growth and joints and meet the needs of broodmares and breeding stallions. It provides 10% fat and 15% crude fiber.
Growth Pellets (Tribute)
FatFat
FiberFiber
GrowthGrowth
LactationLactation
Tribute Growth Pellet is a 15% NSC pelleted feed intended for broodmares during pregnancy and lactation and growing foals from 3 months to 2 years. It provides higher protein to support development.
Growth Textured (ProElite)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
ProElite Growth Horse Feed is a textured feed intended for foals, growing horses, and broodmares. It provides 16% protein to support development with a maximum NSC of 19.8%.
Growth Textured (Tribute)
Bone HealthBone Health
GrowthGrowth
LactationLactation
ProteinProtein
Tribute Growth Textured is a complete textured feed intended for broodmares during pregnancy and lactation as well as growing horses from 3 months to 2 years. It provides high protein levels which can support growth and is formulated for diets containing less than 50% legume forage.
Gut Balancer (Protexin Equine)
Gut HealthGut Health
HealthHealth
PrebioticPrebiotic
ProbioticProbiotic
Gut Balancer by Protexin Equine is a powdered pre- and probiotic daily supplement designed for all working classes of horses. It is formulated to contain 1 billions CFU of bacteria/yeast.
Gut Check (Natural Horse Vet)
DigestionDigestion
Gut HealthGut Health
ProbioticProbiotic
YeastYeast
Gut Check by Natural Horse Vet is a powdered gut supplement that contains a blend of prebiotics and probiotics to support a healthy stomach and intestinal system.
Gut Powder (Uckele)
DigestionDigestion
Gut HealthGut Health
HerbHerb
NutrientsNutrients
Uckele Gut Powder is designed as a digestion and gastrointestinal tract supplement containing marshmallow root, slippery elm bark, and aloe vera gel. It also contains yeast and probiotic cultures.
Gut Reset Powder (Bluebonnet Feeds)
DigestionDigestion
Gut HealthGut Health
HindgutHindgut
ProbioticProbiotic
Gut Reset Powder by Bluebonnet Feeds is a powdered supplement intended to support gut health in horses experiencing changes in diet, environment or training.
GutBiome (ProElite)
DigestionDigestion
PrebioticPrebiotic
ProbioticProbiotic
YeastYeast
GutBiome by ProElite is a microbiome supporting supplement containing both probiotics and postbiotics. It is intended to support a healthy gut.
Hard Keeper (Vita Flex)
EnergyEnergy
NutritionNutrition
Omega 3-6-9Omega 3-6-9
Weight IssuesWeight Issues
VitaFlex Hard Keeper Solution is an energy supplement intended for horses that require additional calories to support weight gain. Energy sources include corn distiller's dried grains with solubles (DDGS), soybean oil and ground flax.
Hay Fix (Bluebonnet Feeds)
DigestionDigestion
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
Hay Fix by Bluebonnet Feeds is a pelleted supplement intended to provide digestive support for horses on low-quality forage, undergoing frequent feed changes or presenting a "hay belly".
Head Start Plus Colostrum (Doctor’s Choice Supplements)
FoalFoal
GrowthGrowth
Mineral BalanceMineral Balance
VitaminsVitamins
Head Start Plus Colostrum is a foal supplement intended to provide vitamins, minerals, probiotics, prebiotics, and colostrum to help support immune function, gut health, and overall wellness.
Healthy Gut Remedy (Horse Logic Pro)
Gut HealthGut Health
HealthHealth
ImmunityImmunity
YeastYeast
Healthy Gut Remedy from Horse Logic Pro is a pelleted gut supplement for horses. Healthy Gut Remedy is intended to provide hind gut support.
Healthy Tummy (Dengie)
DigestionDigestion
FiberFiber
Gut HealthGut Health
UlcersUlcers
Healthy Tummy is a mix of chopped and pelleted alfalfa feed. It is suitable for horses and ponies of all ages and work levels. It can be beneficial for horses and ponies that are prone to ulcers.
Hedgerow Pronto Paste (BioStar)
Gut HealthGut Health
HealthHealth
HindgutHindgut
ImmunityImmunity
Hedgerow Pronto Paste from BioStar is a paste intended to provide gut support to horses. Hedgerow Pronto Paste contains reed sedge peat, fennel and peppermint intended to provide digestive support.
High Fat Horse Nugget (Alfa Force Equine)
Complete FeedComplete Feed
FiberFiber
NutrientsNutrients
NutritionNutrition
High Fat Nuggets by Alfa Force Equine is a pelleted feed that can replace all forage. It is intended for pleasure, performance, or breeding horses.
High Fat Horse Pellet (Alfa Force Equine)
FatFat
HealthHealth
NutrientsNutrients
NutritionNutrition
High Fat Horse Pellet by Alfa Force Equine is a pelleted feed intended for all classes of horses.
High Point-Alfalfa Hay (HorseTech)
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
High Point- Alfalfa from HorseTech is a vitamin and mineral supplement which is designed to be fed in alfalfa-based diets. The 3-ounce feeding rate provides phosphorus and essential vitamins as well as trace minerals.
High Point-Grass/Mixed Hay (HorseTech)
HealthHealth
ProbioticProbiotic
Ration BalancerRation Balancer
VitaminsVitamins
High Point-Grass/Mixed Hay is a vitamin-mineral supplement formulated for horses consuming grass or mixed hay diets. This supplement provides a higher calcium-phosphorous ratio.
High VAULTage (Equi-lete)
HealthHealth
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
High VAULTage by Equi-lete is a vitamin and mineral supplement intended to support health, performance and recovery in performance horses and hard keepers.
Hiland’s Big Sky Mineral (Hiland Supply Co. Ltd)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Hiland's Big Sky Mineral by Hiland Supply Co. Ltd is a mineral supplement intended to support overall health in all horse types.
Hoof Formula (Kevin Bacon’s Horse Care) – [Discontinued]
Amino AcidAmino Acid
Competition HorsesCompetition Horses
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Hoof Formula from Kevin Bacon's Horse Care is a now discontinued hoof supplement that supports hoof growth and quality. It contains added protein, calcium, vitamin A, biotin and other minerals.
Hoof Organic (Advanced Biological Concepts)
HealthHealth
Hoof HealthHoof Health
ImmunityImmunity
VitaminsVitamins
Hoof Organic from Advanced Biological Concepts is a pelleted hoof supplement for horses. Hoof Organic is fortified with trace minerals and biotin intended for hoof growth.
Horse Cubes (Alfa Force Equine)
HealthHealth
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
NutritionNutrition
Horse Cubes by Alfa Force Equine is a pelleted feed intended for all classes of horses.

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