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Ingredient

Yeast Culture

Yeast culture refers to the dried and fermented product resulting from the growth of live yeast cells, most commonly Saccharomyces cerevisiae, on a nutrient-rich substrate. Unlike live yeast or yeast extract, yeast culture includes both the residual yeast cells (viable or non-viable) and the media on which the yeast was grown. It is not considered a probiotic, but rather a fermentation product with functional feed properties.

In equine feed formulations, yeast culture is used as a digestive aid and nutritional supplement. It contains fermentation metabolites, B-vitamins, peptides, amino acids, and cell wall components such as β-glucans and mannan-oligosaccharides. These components are thought to support microbial activity in the hindgut and improve fiber digestion and nutrient utilization.

The following equine feeds, supplements and products contain Yeast Culture as an ingredient.

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Feeds, Supplements & Products
Milk & Grow Pellets (Uckele)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Milk & Grow Pellets is a vitamin, mineral, probiotic, and amino acid pelleted supplement formulated for lactating and gestating mares as well as growing foals that have increased nutrient demands.
Min-A-Vite (Blue Seal) [DISCONTINUED]
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Min-A-Vite from Blue Seal is a vitamin and mineral supplement intended for horses and ponies of all ages and work levels. Min-A-Vite uses a mix of inorganic and organic trace minerals.
Mind, Body & Sole – Alfalfa (Equine Challenge)
DigestionDigestion
Omega 3-6-9Omega 3-6-9
Ration BalancerRation Balancer
Skin + HairSkin + Hair
Mind, Body & Sole - Alfalfa by Equine Challenge is a ration balancer intended to support overall health in horses on alfalfa diets.
Mind, Body & Sole – GRASS (Equine Challenge)
DigestionDigestion
Omega 3-6-9Omega 3-6-9
Ration BalancerRation Balancer
Skin + HairSkin + Hair
Mind, Body & Sole - GRASS by Equine Challenge is a ration balancer intended to support overall health in horses on grass diets.
Molasses Flavor Horse Treats (Agrimaster)
EnergyEnergy
FlavorFlavor
NutrientsNutrients
VitaminsVitamins
Molasses Flavor Horse Treats by Agrimaster is a horse treat formulated with added minerals and vitamins A and E, and is intended for all classes of horses.
Moulee HM 13% Liberte (Nature Belisle)
Complete FeedComplete Feed
GrainsGrains
NutritionNutrition
PerformancePerformance
Moulee HM 13% Liberte is a textured feed intended for performance horses and those in heavy work. It contains 13% protein, 6.09% fat, and 7.86% fibre.
Moulee Jument 16% Liberte (Nature Belisle)
BroodmareBroodmare
Complete FeedComplete Feed
NutritionNutrition
ProteinProtein
Moulee Jument 16% Liberte is a cubed feed intended for broodmares. It contains 16% protein, 4.85% fat, and 8.35% fibre.
Moulee Poulain Liberte 17% (Nature Belisle)
Complete FeedComplete Feed
FoalFoal
GrowthGrowth
NutritionNutrition
Moulee Poulain Liberte 17% by Nature Belisle is intended for horses and ponies aged 0-2 years of age. This cubed feed contains 17% protein as its primary energy source.
Moulee Q-F 15% Liberte (Belisle)
EnergyEnergy
FatFat
FiberFiber
NutritionNutrition
Moulee Q-F 15% is a complete feed with 15% crude protein and 7% crude fat. It also contains vitamin E and selenium. This feed is intended for all horses and ponies.
Moulée Quali-Fibre (Nature Belisle)
FiberFiber
Omega 3-6-9Omega 3-6-9
ProbioticProbiotic
VitaminsVitamins
Moulee Quali-fibre is a feed intended for horses with higher energy demands, such as performance horses. It contains 15% protein, 7% fat and 23% fibre with added vitamin E and selenium.
MuesliMax (Hallway)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
EnergyEnergy
FatFat
MuesliMax from Hallway is a sweet feed fortified with Stamm 30 formulated for high-performance horses with high energy needs. This feed provides energy from oats, barley, vegetable oil, and black sunflower seeds. MuesliMax contains 11% protein, 8% fat, and 10% fibre.
MultiSentials 1:1 (Sentinel Care)
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
PerformancePerformance
VitaminsVitamins
MultiSentials 1:1 by Sentinel Care is a complete granular supplement formulated to correct nutritional deficiencies caused by hay and pasture-based diets. It is suitable for all classes of working horses
Muscle Builder Plus (Formula 707)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
MuscleMuscle
VitaminsVitamins
Muscle Builder Plus from Formula 707 is a pelleted supplement intended to support hoof support, muscle growth, and contains vitamins and minerals.
Natur-Alfa Oat (Excel Equine Feeds)
EnergyEnergy
HealthHealth
NutrientsNutrients
NutritionNutrition
Natur-Alfa Oat from Excel Equine feeds is a cubed feed. Natur-Alfa Oat is an oat-alfalfa feed intended for a wide range of horse lifestyles.
Natur-Oat (Excel Equine Feeds)
Easy KeeperEasy Keeper
HealthHealth
NutrientsNutrients
NutritionNutrition
Natur-Oat from Excel Equine Feeds is a cubed feed. Natur-Oat is intended for horses in various life stages and is composed of ground oats.
Natural Blend Performance (Bluebonnet Feeds)
GrainsGrains
NutrientsNutrients
PerformancePerformance
ProbioticProbiotic
Natural Blend Performance from Bluebonnet Feeds is intended for horses at all life stages with added soybean as a source of fat. It contains 12% protein, 10% fat, and 15% fibre, with added probiotics and organic trace minerals.
Natural Digestive Support – BioEquine Supplement
DigestionDigestion
Mineral BalanceMineral Balance
ProbioticProbiotic
Toxin BinderToxin Binder
BioEquine Natural Digestive Support is an equine gut health supplement containing probiotics, toxin binders, Diatomaceous Earth, minerals, vitamins and amino acids.
Naturals Pelleted Horse Feed (Triple Crown)
Complete FeedComplete Feed
EnergyEnergy
NutritionNutrition
ProteinProtein
Triple Crown Naturals is a pelleted horse feed made with GMO-free ingredients and without corn, soybean, or molasses. Energy sources include alfalfa meal, ground oats, wheat middlings, and flaxseed.
No.14 Lo-Cal Balancer (Baileys Horse Feeds)
Easy KeeperEasy Keeper
Hoof HealthHoof Health
Metabolic SyndromeMetabolic Syndrome
Ration BalancerRation Balancer
No.14 Lo-Cal Balancer from Baileys Horse Feeds is intended for horses and ponies at rest or in light work or those who are laminitis prone. This feed contains 30mg/kg of Biotin, which is proven to support hoof health.
No.7 Stud & Youngstock Mix (Baileys Horse Feeds)
FoalFoal
GrowthGrowth
NutritionNutrition
StallionStallion
No.7 Stud & Youngstock Mix from Baileys Horse Feeds is intended for growing youngstock, covering stallions, and pregnant and lactating mares. This feed contains 32% of starch, such as micronized peas, micronized maize, and oats.
Nu-Image PLATINUM (Select The Best)
Coat QualityCoat Quality
FatFat
Omega 3-6-9Omega 3-6-9
Skin + HairSkin + Hair
Nu-Image PLATINUM by Select The Best is a coat supplement for performance horses that contains omega-3, 6 and 9 fatty acids, amino acids, B-vitamins, copper and zinc.
NutrientWise (Wiser Concepts)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
NutrientWise by Wiser Concepts is a low-calorie vitamin and trace mineral supplement formulated to help balance a horse’s diet.
OBS Generation (Ocala Breeders’ Feed and Supply)
FatFat
Mineral BalanceMineral Balance
ProteinProtein
VitaminsVitamins
OBS Generation is a complete pelleted feed formulated for horses at maintenance. It is made with wheat middlings, oats and corn, and provides 14% protein and 6% fat.
OBS Gest-O-Lac (Ocala Breeders Feed & Supply)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
OBS Gest O Lac is a textured horse feed for broodmares in late gestation, lactating mares, and foals. It contains high protein and fat content to support growth and lactation. Yeast culture is added to help support gut health.
OBS Hi-Amo Plus (Ocala Breeders Feed & Supply)
Amino AcidAmino Acid
ExerciseExercise
GrowthGrowth
LactationLactation
OBS Hi-Amo Plus is a textured concentrate feed designed to support growth and reproductive function. It contains added lysine, digestible fibre sources, and selenium yeast.
OBS Pellet Plus (Ocala Breeders Feed & Supply)
ExerciseExercise
FoalFoal
GrowthGrowth
LactationLactation
OBS Pellet Plus is a pelleted horse feed with added lysine for horses in training, broodmares, and growing horses. Pellet Plus contains vegetable oil as a source of energy and selenium yeast to support immune and reproductive function.
OBS Performance Blend (Ocala Breeders Feed & Supply)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
Competition HorsesCompetition Horses
Weight IssuesWeight Issues
OBS Performance Blend is a textured horse feed targeted to yearlings and horses in heavy training or that require improvement in condition. It provides a higher energy density and fat content to support weight management.
OBS Professional Blend (Ocala Breeders Supply)
Competition HorsesCompetition Horses
ExerciseExercise
FatFat
PerformancePerformance
OBS Professional Blend is a complete textured feed intended for high-performance horses. It is formulated with oats, corn and beet pulp and contains 10% fat.
OBS Racing Blend (Ocala Breeders Feed & Supply)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
OBS Racing Blend is a horse feed formulated for racehorses. Racing Blend provides a higher energy density to meet the needs of horses in heavy training. This feed contains beet pulp and steam-crimped oats.
OBS Sport Feed (Ocala Breeders’ Feed and Supply)
Amino AcidAmino Acid
Caloric EnergyCaloric Energy
ExerciseExercise
PerformancePerformance
OBS Sport Feed is a complete feed intended for performance horses. It is formulated with wheat middlings, soybean hulls and alfalfa meal. It contains 13% protein and 10% fat.
OCD Pellets (Doc’s Products)
Bone HealthBone Health
GrowthGrowth
HealthHealth
JointsJoints
OCD Pellets by Doc's Products is a bone and joint supplement intended for horses. It supplies 900 mg of silicon and 50 mg of hyaluronic acid in each 28 g serving.
Omega Advantage (ProElite)
FatFat
GrowthGrowth
Omega 3-6-9Omega 3-6-9
PerformancePerformance
ProElite Omega Advantage is an extruded horse supplement providing 24% fat with added flax. It is intended to provide extra calories and aid in weight gain.
Omega Elite (Horslic)
ElectrolyteElectrolyte
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Omega Elite by Horslic is a pasture tub intended for free-choice intake. It is available with feed-through fly control in the U.S.
Omega Horseshine (Omega Fields)
Coat QualityCoat Quality
FatFat
Hoof HealthHoof Health
JointsJoints
Omega Horseshine is a stabilized flaxseed, yeast and vitamin-mineral supplement for horses. Flaxseed provides omega-3 fatty acids and can increase the lustre of a coat.
Omega Horseshine COMPLETE (Omega Fields)
FatFat
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Skin + HairSkin + Hair
Omega Horseshine COMPLETE is an omega-3 fatty acid and vitamin-mineral supplement for horses. It is formulated with flaxseed as a source of alpha-linolenic acid, yeast, vitamins and minerals.
On Demand (Equine Challenge)
AntioxidantAntioxidant
JointsJoints
NutrientsNutrients
RecoveryRecovery
On Demand by Equine Challenge is a powdered supplement intended to support overall health of tendons, joints and ligaments in all classes of horses.
On Demand (No Glucosamine + HA) (Equine Challenge)
AntioxidantAntioxidant
Bone HealthBone Health
JointsJoints
RecoveryRecovery
On Demand (No Glucosamine + HA) by Equine Challenge is a powdered supplement intended to support overall health of tendons, joints and ligaments in all classes of horses. It contains no added glucosamine or hyaluronic acid.
On Demand (No Glucosamine, Vitamin C + HA) (Equine Challenge)
AntioxidantAntioxidant
JointsJoints
PerformancePerformance
RecoveryRecovery
On Demand (No Glucosamine, Vitamin C + HA) by Equine Challenge is a powdered joint supplement intended to support connective tissue healing after injury and provide overall joint support for performance horses. This formula contains no glucosamine, vitamin C or hyaluronic acid.
Opti-Zyme (Manna Pro)
DigestionDigestion
Gut HealthGut Health
ProbioticProbiotic
YeastYeast
Opti-Zyme from Manna Pro is a blend of probiotics, yeast, and enzymes intended to provide digestive health support. These additives can improve fibre digestion and nutrient absorption from the gut.
Optimum Flex Plus (DAC)
HealthHealth
JointsJoints
RecoveryRecovery
VitaminsVitamins
Optimum Flex Plus by DAC is a powdered joint supplement designed to support joint health and mobility. Its formula includes MSM, glucosamine, and chondroitin sulfate.
Orange Superior (DAC)
MetabolismMetabolism
Mineral BalanceMineral Balance
ProbioticProbiotic
VitaminsVitamins
Orange Superior is a vitamin and mineral supplement that can be given to any mature horse, and is meant to support metabolic functions, energy balance, and also provides probiotics.
Original 12 Textured (McCauley’s Equine Formulas)
BroodmareBroodmare
Complete FeedComplete Feed
LactationLactation
StallionStallion
Original 12 Textured is a palatable oat-based feed targeted to broodmares and stallions. It is formulated with added yeast and organic minerals. It is designed to promote healthy gut function.
Original 14 Pelleted (McCauley’s)
Feed EfficiencyFeed Efficiency
GrainsGrains
GrowthGrowth
NutritionNutrition
McCauley's Original® 14 Pelleted is a pelleted horse feed with 14% protein to meet the needs of breeding and growing horses. This oat-based formula contains 3.5% fat and 12% fibre.
Original 14 Textured (McCauley’s Equine Formulas)
Feed EfficiencyFeed Efficiency
GrowthGrowth
HealthHealth
LactationLactation
McCauley's Original 14 Textured is an oat-based feed for stallions, breeding, growing, and performance horses. It is fortified with organic minerals and contains yeast for digestive health.
Original 16 Textured (McCauley’s Equine Formulas)
BroodmareBroodmare
Feed EfficiencyFeed Efficiency
FoalFoal
LactationLactation
McCauley's Original 16 Textured is an oat-based horse feed for breeding and growing horses. It contains higher protein (16%) to meet the needs of growing yearlings and lactating broodmares.
Original Yeast YC (Diamond V)
HindgutHindgut
ProbioticProbiotic
Toxin BinderToxin Binder
YeastYeast
Diamond V Yeast Culture™ (Original YC™) is a feed ingredient made by fermenting bakers yeast (Saccharomyces cerevisiae) on a cereal grain culture-media. It can be added to equine diets to support hindgut health.
Original® 12 Pelleted (McCauley’s Equine Formulas)
BroodmareBroodmare
Feed EfficiencyFeed Efficiency
Ration BalancerRation Balancer
StallionStallion
McCauley's Original® 12 Pelleted is a palatable and digestible oat-based feed for broodmares and stallions. It provides 12% protein, 12% fiber, 3.5% fat, and contains organic minerals.
Original® 16 Pelleted (McCauley’s Equine Formulas)
Feed EfficiencyFeed Efficiency
FoalFoal
GrowthGrowth
LactationLactation
Original® 16 Pelleted is an oat-based feed targeted to breeding horses and yearlings. It provides 16% crude protein and is formulated for growing horses.
Osceola 10 (Seminole)
Complete FeedComplete Feed
FlavorFlavor
Mineral BalanceMineral Balance
VitaminsVitamins
Seminole Osceola 10 is a textured feed with corn, oats, and molasses for mature pleasure horses with a high 48% NSC (sugar & starch) content. This feed contains yeast culture and antioxidants.
Osceola 12 (Seminole)
Complete FeedComplete Feed
FlavorFlavor
Mineral BalanceMineral Balance
VitaminsVitamins
Seminole Osceola 12™ is a textured grain-based feed with high NSC levels (44%) intended for mature pleasure horses. Energy sources include corn, oats, wheat, soybean meal and cane molasses.

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