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Yeast Culture - Feed Ingredient

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.

Feeds, Supplements & Products
Integrity Adult/Senior (Integrity Horse Feeds)
Complete FeedComplete Feed
ExerciseExercise
Gut HealthGut Health
SeniorSenior
Integrity Adult/Senior is a 5.4% starch textured feed designed for adult and senior horses in light to moderate work. Energy sources include beet pulp, soy hulls, rice bran, cane molasses, grains and canola oil.
Integrity Growth (Integrity Horse Feeds)
Caloric EnergyCaloric Energy
FoalFoal
GrowthGrowth
ProteinProtein
Integrity Growth is a textured feed designed for growing horses between 10-12 months to 3 years of age. It is formulated with 15% protein and 7.8% starch.
Integrity Lite (Integrity Horse Feeds)
FatFat
Low NSC FeedsLow NSC Feeds
ProteinProtein
Ration BalancerRation Balancer
Integrity Lite is a 4.3% starch textured feed intended for minis, pleasure horses, and easy keepers. It is a grain-free feed with a moderate fat content and low-calorie density.
Integrity Performance (Integrity Horse Feeds)
EnergyEnergy
ExerciseExercise
MuscleMuscle
PerformancePerformance
Integrity Performance is a high-calorie textured feed designed for adult horses in moderate to heavy work. It provides 10% fat and 8.7% starch.
Integrity Stabilized Rice Bran (Integrity Horse Feeds)
EnergyEnergy
FatFat
PerformancePerformance
Weight IssuesWeight Issues
Integrity Stabilized Rice Bran is a high-fat (20.5%) concentrate feed available in a meal or nugget format. It is intended for horses with higher energy requirements or to support weight gain.
Integrity with Timothy (Integrity Horse Feeds)
Omega 3-6-9Omega 3-6-9
ProteinProtein
Ration BalancerRation Balancer
YeastYeast
Integrity with Timothy is a pelleted feed containing wheat bran, soybean hulls, rice bran and timothy hay. It is intended for horses over 3 years of age and provides moderate calorie density.
Intensify Ex-Factor Low Starch (Bluebonnet Feeds)
Complete FeedComplete Feed
Low NSC FeedsLow NSC Feeds
Mineral BalanceMineral Balance
VitaminsVitamins
Intensify Ex-Factor Low Starch by Buebonnet Feeds is an extruded feed intended for horses at all life stages and exercise levels. It contains10% NSC and organic minerals and yeast. Extruded feeds tend to have higher digestibility.
Intensify Growth & Development (Bluebonnet Feeds)
BroodmareBroodmare
GrowthGrowth
LactationLactation
ProteinProtein
Intensify Growth & Development by Bluebonnet Feeds is a pelleted feed intended for broodmares and growing horses. This feed provides 16% protein, 10% fat, and 18% NSC.
Intensify Omega Force (Bluebonnet Feeds)
Caloric EnergyCaloric Energy
FatFat
Omega 3-6-9Omega 3-6-9
ProteinProtein
Intensify OmegaForce by Bluebonnet Feeds is a pelleted complete feed with flax seed and fish oil for added omega-3s. Intensify OmegaForce is intended for horses at all lifestages.
Intensify Pelleted (Bluebonnet Feeds)
Complete FeedComplete Feed
Gut HealthGut Health
Mineral BalanceMineral Balance
VitaminsVitamins
Intensify Pellet from Bluebonnet is a feed intended for horses at all life stages. It contains 14% protein, 8% fat, and 15% fibre, and uses a mix of organic and inorganic trace minerals.
Intensify Senior Therapy (Bluebonnet Feeds)
Gut HealthGut Health
Mineral BalanceMineral Balance
SeniorSenior
VitaminsVitamins
Intensify Senior Therapy from Bluebonnet Feeds is a textured feed intended for senior horses. This feed contains alfalfa meal, rice hulls, soybean meal, cane molasses, beet pulp, and a mix of organic and inorganic trace minerals.
Intensify Total Advantage (Bluebonnet Feeds)
FiberFiber
Gut HealthGut Health
Mineral BalanceMineral Balance
VitaminsVitamins
Intensify Total Advantage from Bluebonnet Feeds is a pelleted complete feed intended for horses at any life stage. This 11% NSC feed contains alfalfa meal, rice bran, soybean oil, and beet pulp.
Island Horse 12% Maintenance Horse Pellets (Top Shelf Feeds)
FiberFiber
HealthHealth
NutritionNutrition
ProteinProtein
Island Horse 12% Maintenance Pellets is a complete feed formulated for horses at maintenance or light work. It provides moderate protein (12%) and fibre (11%) content.
Island Horse 14% Senior Horse Pellets (Top Shelf Feeds)
Mineral BalanceMineral Balance
NutritionNutrition
SeniorSenior
VitaminsVitamins
Island Horse 14% Senior Horse Pellets by Top Shelf Feeds Inc. is formulated to meet the needs of senior horses. It provides 14% protein and 4% fat.
Junior Horse (Ace Hi Feeds)
Complete FeedComplete Feed
FoalFoal
GrowthGrowth
NutritionNutrition
Junior Horse by Ace Hi Feeds is a supplemental feed intended for weanlings, yearlings and two-year olds. It contains 15.5% protein, vitamins, and a blend of organic and inorganic minerals.
Junior Horse (Kelley’s Feed)
FoalFoal
GrowthGrowth
NutritionNutrition
ProteinProtein
Junior Horse by Kelley's Feed is an alfalfa-based textured feed intended for weanlings, yearlings, and two-year-old's. It is intended to be fed alongside a quality forage as a supplement.
K.I.S. Trace Pellet Original (Thorne Bottom Farm)
Mineral BalanceMineral Balance
NutritionNutrition
Ration BalancerRation Balancer
VitaminsVitamins
K.I.S Trace Pellet Original from Thorne Bottom Farm is a vitamin-mineral pellet for horses. This supplement is intended to balance forages and improve coat quality.
K.I.S. Trace Powder Original (Thorne Bottom Farm)
Coat QualityCoat Quality
Hoof HealthHoof Health
NutrientsNutrients
Ration BalancerRation Balancer
K.I.S. Trace Powder Original is a vitamin-mineral powder for horses formulated with yeast and alfalfa meal. This forage balancer uses organic trace minerals.
Kalm N EZ GC Plus (Tribute)
Complete FeedComplete Feed
FatFat
FiberFiber
JointsJoints
Kalm 'N EZ GC Plus is a pelleted complete feed with added glucosamine, chondroitin sulfate, and methylsulfonlymethane (MSM). It contains 14% crude protein, 8% crude fat and an NSC of 13.5%.
Kalm N EZ Pellets (non-GMO) (Tribute)
Complete FeedComplete Feed
DigestionDigestion
FatFat
FiberFiber
Kalm 'N EZ Pellets (non-GMO) is a complete pelleted feed made with non-GMO soybean hulls and other ingredients. It contains 14% crude protein, 8% crude fat and 13.5% NSC.
Kalm N EZ Pellets (Tribute)
Complete FeedComplete Feed
DigestionDigestion
FatFat
FiberFiber
Tribute Kalm 'N EZ Pellet is a complete horse feed formulated with no corn, oats, or molasses. Providing 13.5% NSC, this feed is appropriate for horses that require a low NSC diet.
Kalm N EZ Soy-Free Pellet (Tribute)
Complete FeedComplete Feed
FatFat
FiberFiber
NutritionNutrition
Kalm N EZ Soy-Free Pellet by Tribute is a pelleted feed that contains no corn, oats or molasses. It is intended for horses with special needs to provide higher fat and fibre to support calmer performances.
Kalm N EZ Textured (Tribute)
EnergyEnergy
ExerciseExercise
FiberFiber
Gut HealthGut Health
Kalm 'N EZ Textured is a textured complete feed with whole oats added. It is formulated to provide highly digestible energy at a lower NSC. It contains 14% crude protein, 6% crude fat, and 15.5% NSC.
Kalm N’ Fit (Tribute Equine)
Complete FeedComplete Feed
DigestionDigestion
FatFat
FiberFiber
Kalm 'N Fit® is a corn-free, high-fat, textured feed for exercising mature horses. It is formulated for horses consuming lower protein forages and contains steam-crimped grains to improve digestibility.
Kalm Performer (Tribute Equine)
EnergyEnergy
PerformancePerformance
ProteinProtein
Weight IssuesWeight Issues
Kalm Performer® is a corn-free, high-fat, textured feed with 24% NSC targeted to mature performance horses. It is formulated for horses consuming higher protein forages such as alfalfa hay.
Kalm Performer GC Plus (Tribute)
Complete FeedComplete Feed
JointsJoints
PerformancePerformance
RespiratoryRespiratory
Tribute Kalm Performer is a pelleted complete feed intended for mature horses on high protein forages like alfalfa hay. It is a corn-free formula with steam-crimped grains to support digestibility. It provides 24% NSC.
Kalm Ultra (Tribute Equine)
Complete FeedComplete Feed
ExerciseExercise
StressStress
Weight IssuesWeight Issues
Tribute Kalm Ultra® is a high-fat pelleted feed with 23.5% NSC targeted to adult horses in heavy work or hard keepers that need to gain weight. Kalm Ultra® provides energy from fat and fiber to support calm performance.
Ker-A-Form (Kentucky Performance Products)
Coat QualityCoat Quality
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Skin + HairSkin + Hair
Ker-A-Form from Kentucky Performance Products is a hoof and coat supplement. It is meant to help with the health of coats, manes and tails, and also contribute to the strength of hooves.
Koolspeed (MAC)
Gut HealthGut Health
NutritionNutrition
PerformancePerformance
UlcersUlcers
KoolSpeed Equine Performance Feed is a feed targeted to performance equine athletes to reduce the incidence of ulcers. It is formulated with digestible forage and fiber sources and is intended to slow down the rate of consumption.
KoolSpeed Plus (MAC)
Competition HorsesCompetition Horses
EnergyEnergy
NutritionNutrition
PerformancePerformance
KoolSpeed Plus by MAC is a feed intended to minimize incidences and/or severity of gastric ulcers. It is intended to be used in horses undergoing heavy exercise.
Krunch Cubes (Masterfeeds)
Caloric EnergyCaloric Energy
GrowthGrowth
ToplineTopline
Weight IssuesWeight Issues
Masterfeeds Krunch is an equine feed that comes in cube form. Krunch is used as a treat or to add calories and protein to the diet for horses that need to gain weight and improve topline.
Lamina Formula (Life Data)
FiberFiber
Hoof HealthHoof Health
Mineral BalanceMineral Balance
NutrientsNutrients
Lamina Formula by Life Labs is intended to support the laminae of horses with acute or chronic laminitis. It provides protein, vitamins and minerals to support hoof health.
Legacy 16% Mare & Foal Ration (CO-OP)
FoalFoal
GrowthGrowth
LactationLactation
MareMare
Legacy 16% Mare & Foal Ration is a higher-protein feed intended for broodmares and growing foals. These horses benefit from higher levels of amino acids in the diet.
Legacy Pellets (Select The Best)
AntioxidantAntioxidant
Bone HealthBone Health
JointsJoints
PerformancePerformance
Legacy Pellets by Select The Best is a pelleted supplement that intends to provide support for joints, connective tissue and soft tissue. It contains glucosamine HCI, MSM, chondroitin sulphate, and yucca.
Legend (Barastoc)
Gut HealthGut Health
HealthHealth
NutrientsNutrients
Weight IssuesWeight Issues
Legend from Barastoc is a feed that is oat free. It is low in starch and it can contribute to weight gain and body condition. It is meant to help with gut health and provides minerals and vitamins.
Level Out (Excel Equine Feeds)
DigestionDigestion
NutrientsNutrients
PrebioticPrebiotic
ProbioticProbiotic
Level Out by Excel Equine Feeds is a pelleted horse treat intended to support the digestive health of horses.
Liberty (Pegasus)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
Easy KeeperEasy Keeper
PerformancePerformance
Liberty from Pegasus is a high-fat, high-fiber, low-starch feed intended for pleasure and performance horses. This feed is designed to support hindgut function, muscle function, and immunity.
Lifeforce Elite Performance (Alltech)
JointsJoints
PerformancePerformance
RecoveryRecovery
StressStress
LifeForce Elite Performance by Alltech is a powdered supplement intended to support complete wellness in performance horses.
Lite (Pegasus)
HealthHealth
Low NSC FeedsLow NSC Feeds
NutritionNutrition
PerformancePerformance
Lite by Pegasus is a horse feed intended for performance and pleasure horses. Lite contains essential nutrients, vitamins and minerals intended to support horses' wellbeing.
Lite (Triple Crown)
FiberFiber
HealthHealth
Metabolic SyndromeMetabolic Syndrome
Weight IssuesWeight Issues
Triple Crown Lite is a palatable, low-calorie, high-fiber pellet fortified with vitamins and minerals. This feed is intended for horses or ponies prone to laminitis and insulin resistance and tends to gain weight easily. This feed has an NSC of 9.5%.
Lite & Low (CFC Farm Home Center)
FiberFiber
Low NSC FeedsLow NSC Feeds
Mineral BalanceMineral Balance
VitaminsVitamins
Lite & Low from CFC Farm Home Center is a pelleted feed meant for maintenance horses or light work. It contains low sugar and starch.
Llama Concentrate Pellet (Bar Ale)
FiberFiber
HealthHealth
NutritionNutrition
VitaminsVitamins
Llama Concentrate Pellet is a pelleted feed intended for llamas of all ages. It contains 18% protein, 2.9% fat, and 18.5% fiber.
LMF Gold (LMF Horse Feed)
EnergyEnergy
ExerciseExercise
Gut HealthGut Health
NutritionNutrition
LMF Gold is a high calorie textured feed intended to support performance and weight gain in horses. Additionally it provides vitamins, minerals and fibre sources.
LMF Senior (LMF Horse Feeds)
Complete FeedComplete Feed
FiberFiber
JointsJoints
SeniorSenior
LMF Senior is a pelleted complete feed for aged horses. It contains ingredients to support joint and gut health.
LMF Senior Low Carb (LMF Horse Feeds)
Complete FeedComplete Feed
Grain FreeGrain Free
JointsJoints
SeniorSenior
LMF Senior Low Carb feed is a soybean- and alfalfa-based feed for mature horses. It contains 13% crude protein, 8% fat, and 8% NSC.
LMF Super Supplement NW A (LMF Horse Feeds)
Easy KeeperEasy Keeper
HealthHealth
NutritionNutrition
Ration BalancerRation Balancer
LMF Super Supplement is a ration balancer from LMF Horse Feeds. This feed is intended for easy keepers, and contains vitamins and minerals to balance a forage based diet.
Lone Star Trace MS-051120 (HorseTech)
Mineral BalanceMineral Balance
NutrientsNutrients
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Lone Star Trace MS-051120 is a custom vitamin and mineral supplement for horses. It contains milled flaxseed, added amino acids and organic trace minerals.
Longevity (McCauley’s Equine Formulas)
Gut HealthGut Health
SeniorSenior
StressStress
Weight IssuesWeight Issues
Longevity is a pelleted horse feed targeted to senior and stressed horses. It is designed to support body condition and gut health in senior horses.
Low Non-Structural Carbohydrate Feed (LMF Horse Feeds)
Amino AcidAmino Acid
Low NSC FeedsLow NSC Feeds
Mineral BalanceMineral Balance
VitaminsVitamins
This feed from LMF Horse Feeds contains low levels of starch and sugar. It is a pelleted feed that is meant to provide minerals, vitamins, amino acids, and omega fatty acids.
Low Starch (Triple Crown)
Complete FeedComplete Feed
Grain FreeGrain Free
Metabolic SyndromeMetabolic Syndrome
SeniorSenior
Triple Crown Low Starch is a pelleted feed containing a lower level of 13.5% NSC. It has no corn, molasses or alfalfa meal which can cause excitability in horses.

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