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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
Osceola 14 (Seminole)
Complete FeedComplete Feed
FlavorFlavor
Mineral BalanceMineral Balance
VitaminsVitamins
Seminole Osceola 14™ is a textured feed with higher protein levels for growing, breeding, or performance horses. It has a high NSC value of 39% from grain-based ingredients.
Parkmore Special Vitamin/Mineral Pelleted Supplement (Parkmore Supplements)
HealthHealth
NutrientsNutrients
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Parkmore Special Vitamin/Mineral Pelleted Supplement is a trace mineral and vitamin supplement designed for all ages and working classes of horses. It can be fed in addition to grain or on its own.
Pastime (McCauley’s Equine Formulas)
Feed EfficiencyFeed Efficiency
HealthHealth
NutritionNutrition
Ration BalancerRation Balancer
Pastime is an oat-based pelleted feed for adult horses at maintenance or in light work. It targets pleasure horses with lower energy density and fat content.
Pasture Horse 10 (Bartlett Milling) [Discontinued]
Caloric EnergyCaloric Energy
FlavorFlavor
GrainsGrains
Weight IssuesWeight Issues
Bartlett Pasture Horse 10 is a texturized sweet feed intended for mature pleasure horses. This grain-based feed is formulated with wheat middlings, corn, oats, barley, and molasses.
Pasture Horse 12 (Bartlett Milling) [Discontinued]
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
FlavorFlavor
GrainsGrains
Barlett Pasture Horse 12 is a textured sweet feed formulated for adult pleasure horses. It is higher in protein than Bartlett's Pasture Horse 10 feed.
Peformax (Pegasus)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
EnergyEnergy
PerformancePerformance
Peformax from Pegasus contains a palatable blend of grains designed to provide high energy to performance and competition horses. This feed contains added fat for a slow release of energy and possible topline development.
Pelleted Hoof Supplement (American Farrier’s Association)
FlavorFlavor
Hoof HealthHoof Health
Mineral BalanceMineral Balance
VitaminsVitamins
This pelleted hoof supplement is meant to be palatable and functional for any horse or pony. It contains a variety of minerals and vitamins which aims to support strong, healthy hooves.
Pennwoods 13 to 36 Advanced (Pennwoods Equine)
FatFat
FoalFoal
GrowthGrowth
ProteinProtein
Pennwods 13 to 36 Advanced is a growth and performance supplement targeted to yearling and two-year-old horses. It contains a blend of proteins, fats, vitamins, and minerals.
Perfectly Senior Horse Summer Pellet (Kruse’s Perfection Brand)
FiberFiber
GrainsGrains
JointsJoints
SeniorSenior
Perfectly Senior Horse Summer Pellet by Kruse's Perfection Brand is a pelleted feed that is intended to be fed to senior maintenance, performance, and breeding horses. This feed is meant to be fed as a complete feed or supplemented with hay or pasture equivalent.
Perfectly Senior Horse Winter Pellet (Kruse’s Perfection Brand)
BroodmareBroodmare
Complete FeedComplete Feed
PerformancePerformance
SeniorSenior
Perfectly Senior Horse Winter Pellet by Kruse's Perfection Brand is a feed that intends to be fed to senior maintenance, performance, and breeding horses either as a complete feed or supplemented with hay or pasture equivalent.
Perfomix (Cavalor)
Complete FeedComplete Feed
Mineral BalanceMineral Balance
ProteinProtein
VitaminsVitamins
Cavalor Perfomix is a complete textured feed intended for active recreational and competition horses. It provides 11.5% protein and 4% fat from ingredients such as oats, wheat middlings, barley and soy hulls.
Perform Gold (Triple Crown)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
FatFat
FiberFiber
Perform Gold is a high energy density pelleted feed designed for performance horses. It provides 12.5% protein, 12% fat and 15.3% NSC, and contains a mixture of organic and inorganic minerals.
Performance (Equis Feed)
GrainsGrains
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Equis Feeds Performance is a high-protein complete feed intended for working horses. It is formulated with oil and grains with highly digestible vitamins, minerals, and digestive aids to provide higher energy density.
Performance 12 (Excel Equine Feeds)
ExerciseExercise
HealthHealth
NutritionNutrition
PerformancePerformance
Performance 12 is a textured feed from Excel Equine Feeds. This feed contains fat sources and digestible fibre intended to support the needs of performance horses.
Performance Advantage (Tribute Equine)
EnergyEnergy
FatFat
FoalFoal
PerformancePerformance
Tribute Performance Advantage® is a grain-based, textured feed formulated to meet the higher energy requirements of performance horses. It provides 8% fat and 31% NSC.
Performance Liquid (Formula 707)
Mineral BalanceMineral Balance
NutrientsNutrients
PerformancePerformance
VitaminsVitamins
Performance Liquid from Formula 707 is a liquid supplement containing vitamins and minerals. It is intended to provide energy and nutrients for performance horses.
Performance Pellets Formula (Bartlett Milling) [Discontinued]
ExerciseExercise
GrowthGrowth
LactationLactation
PerformancePerformance
Bartlett Performance Pellets Formula is a pelleted feed intended for horses requiring additional protein and energy. It can be fed to horses in light to medium work, growing foals and lactating mares.
Performance Pellets Gold Formula (Bartlett Milling) [Discontinued]
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Bartlett Performance Pellets Gold Formula is a high energy density feed intended for mature horses in moderate to rigorous training. Calorie sources include wheat middlings, corn, and soy oil.
Performance Plus 606 Pellets (Ace Hi Feeds)
Caloric EnergyCaloric Energy
NutritionNutrition
PerformancePerformance
ProteinProtein
Performance Plus 606 by Ace Hi Feeds is intended for horses with higher energy needs including growing and performance horses. It contains barley, wheat bran, and canola oil as energy sources.
Performance Plus Complete (Bluebonnet Feeds)
FiberFiber
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Performance Plus Complete from Bluebonnet Feeds is an alfalfa-based pellet intended to replace some or all of the forage in a horse's diet. It contains 12% crude protein, 3.5% crude fat, and 29% crude fibre.
Performance Textured (ProElite)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
PerformancePerformance
StaminaStamina
ProElite Performance Horse Feed is a textured feed intended for mature show and performance horses. It provides 12% fat and 18.3% NSC with energy sources including beet pulp, whole oats, wheat middlings, soybean hulls, and cane molasses.
Physique (Equi-lete)
Bone HealthBone Health
EnergyEnergy
HealthHealth
Mineral BalanceMineral Balance
UlcersUlcers
Physique by Equi-lete is a pelleted supplement intended to support bone and tissue health in all horse types.
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.
Pinnacle Mineral (Co-op)
GrowthGrowth
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Pinnacle Mineral by Co-op is a granular vitamin and mineral supplement intended for growing horses, broodmares, stallions, maintenance and performance horses.
Pinnacle Senior (Co-op)
DigestionDigestion
Mineral BalanceMineral Balance
NutritionNutrition
SeniorSenior
Pinnacle Senior by Co-op is a complete feed intended for older horses with poor teeth or difficulty consuming forage. It contains grain by-products, fibre sources, alfalfa and timothy, beet pulp, and molasses.
Post Time (McCauley’s Equine Formulas)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Post Time® is a highly palatable textured horse feed providing high digestible energy levels for performance horses. It provides 8% crude fat from vegetable oil, 12% protein, and 11% crude fiber.
Pounds Plus (The Mill)
HealthHealth
NutritionNutrition
ProbioticProbiotic
Weight IssuesWeight Issues
Pounds Plus from The Mill is a granular probiotic supplement for horses. Pounds Plus is high in fat and contains Vitamin B1 and probiotics. This supplement is intended to promote weight gain.
Power Finish (Tribute)
Complete FeedComplete Feed
EnergyEnergy
ExerciseExercise
PerformancePerformance
Tribute Power Finish is a high-fat textured feed intended for adult horses in heavy training. It provides highly digestible energy sources to support the calorie requirements of racehorses. Power Finish contains high levels of protein (13% crude protein), fat (10% crude fat), and NSC (32%).
PRE-biotic (Equine Challenge)
DigestionDigestion
Gut HealthGut Health
HindgutHindgut
PrebioticPrebiotic
PRE-biotic by Equine Challenge is a prebiotic supplement intended to support hindgut health and microbial balance in horses during digestive stress or dietary changes.
Prebiotic Ulsa-X Mash (Thunderbrook)
DigestionDigestion
Gut HealthGut Health
HealthHealth
NutritionNutrition
Prebiotic Ulsa-X Mash from Thunderbrook is a digestive supplement intended to support horses' gut microbiome. This supplement contains Jerusalem Artichoke which is intended to support gut health and function.
Precision (Ark Nutrition)
Amino AcidAmino Acid
FatFat
GrowthGrowth
ToplineTopline
Precision by Ark Nutrition is a pelleted feed that is low in sugar with a moderate starch level meant to ease digestion and is higher in soluble fiber levels to support hindgut function.
Preg Check (Natural Horse Vet)
MareMare
Organic Trace MineralsOrganic Trace Minerals
StallionStallion
VitaminsVitamins
Preg Check by Natural Horse Vet is a powdered supplement that intends to provide the nutrients required during the prenatal period and nutrients important during reproduction and lactation.
Premium Horse Pellet AL (Cargill)
DigestionDigestion
ExerciseExercise
NutrientsNutrients
NutritionNutrition
Premium Horse Pellets (AL) by Cargill are intended as a ration balancer for adult horses.
PreOx (HorseTech)
AntioxidantAntioxidant
HealthHealth
ImmunityImmunity
VitaminsVitamins
PreOx from HorseTech is a powdered antioxidant supplement. PreOx contains added vitamins, minerals and added flaxseed. This supplement is intended for horses who require additional antioxidants in their diet.
Prep 14 (Hallway)
Caloric EnergyCaloric Energy
Gut HealthGut Health
RecoveryRecovery
Weight IssuesWeight Issues
Prep 14 from Hallway is a fortified high-energy, fat, and fibre feed for horses with greater energy demands. Prep 14 contains 14% protein, 12.5% fibre, and 10% fat.
Prepare (Barastoc)
AntioxidantAntioxidant
BroodmareBroodmare
Mineral BalanceMineral Balance
StallionStallion
Prepare by Barastoc is a concentrate that is meant for young horses and broodmares or stallions to assist with preparing for breeding. It contains amino acids, minerals, vitamins, and antioxidants.
Pro Balance (Bluebonnet Feeds)
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
YeastYeast
Pro Balance by Bluebonnet is a comprehensive diet balancer formulated to correct vitamin and mineral deficiencies commonly found in forage-only diets for horses. It also includes yeast, probiotics, and digestive enzymes to support optimal gut health and nutrient absorption.
Pro Edge (Formula 707)
Competition HorsesCompetition Horses
DigestionDigestion
HealthHealth
Skin + HairSkin + Hair
Pro Edge from Formula 707 is a pelleted supplement intended to support the overall health of horses. It is intended to support digestion, hoof health, joint health, and skin and coat.
PRO Series Achieve Performance Base (Pink Rose Organix)
Grain FreeGrain Free
Gut HealthGut Health
PerformancePerformance
Ration BalancerRation Balancer
PRO Series Achieve Performance Base from Pink Rose Organix is a balancer that is intended for performance horses. It is grain free and is intended to assist with joint, gut, and muscle health and stress.
PRO Series Engage Cool Calorie Base (Pink Rose Organix)
Complete FeedComplete Feed
Easy KeeperEasy Keeper
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
PRO Series Engage Cool Calorie Base by Pink Rose Organix is a complete feed designed for adult horses in light to moderate work. It is classified as a low NSC feed and suitable for easy keepers.
Pro-Plus 12 Sweet (Seminole) – [Discontinued]
Amino AcidAmino Acid
Complete FeedComplete Feed
ExerciseExercise
GrowthGrowth
Seminole Pro-Plus 12 Sweet is a now-discontinued oat-based textured feed for growing, breeding, pleasure and performance horses.
Pro-Racer (Hi-Pro Feeds)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
NutritionNutrition
PerformancePerformance
Pro-Racer by Hi-Pro Feeds is a textured feed intended for performance horses. This grain-based feed provides 13% protein, 6% fat, and 9% fiber.
ProAdvantage – Alfalfa Formula (Progressive Nutrition)
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
ProAdvantage® – Alfalfa Formula is a ration balancer concentrate intended for horses consuming alfalfa hay. This feed contains amino acids, vitamins, and minerals in a lower-starch format.
ProAdvantage – Grass Formula (Progressive Nutrition)
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
ProAdvantage® – Grass Formula is a concentrated ration balancer intended for horses consuming grass or mixed hay. This feed contains amino acids, vitamins, and minerals in a lower-starch format.
Probiotic (Equine Challenge)
DigestionDigestion
Gut HealthGut Health
ImmunityImmunity
ProbioticProbiotic
Probiotic by Equine Challenge is a probiotic supplement intended to support digestive health, microbial balance, and immune function in horses experiencing digestive stressors or dietary changes.
Probiotic Blast (Equine Challenge)
DigestionDigestion
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
Probiotic Blast by Equine Challenge is a probiotic supplement intended to support digestive health and microbial balance in horses experiencing digestive stressors.
ProBreed (Cavalor)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Cavalor ProBreed is a textured feed for pregnant and gestating mares, as well as foals under 1 year of age. It contains 16% protein from sources such as alfalfa, wheat middlings and soybeans.
Profecta 10 (Seminole)
Caloric EnergyCaloric Energy
Feed EfficiencyFeed Efficiency
GrainsGrains
YeastYeast
Seminole Profecta 10™ is a pelleted feed providing grains, digestible fibers, yeast and molasses with 21% NSC. It is targeted at active mature horses and ponies.
Profecta 12 (Seminole)
FiberFiber
GrainsGrains
Mineral BalanceMineral Balance
YeastYeast
Seminole Profecta 12 is a pelleted feed intended for mature, active horses and ponies. It has a moderate energy density, yeast culture, and 19% NSC (sugar and starch).
Profecta 14 (Seminole)
FiberFiber
GrainsGrains
Mineral BalanceMineral Balance
YeastYeast
Seminole Profecta 14 is a pelleted feed intended for growing, breeding and performance horses. It contains 14% protein, 7% fat and 24% NSC. This feed is fortified with chelated trace minerals and antioxidants.

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