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Saccharomyces cerevisiae Yeast Culture - Feed Ingredient

Saccharomyces cerevisiae yeast culture is a fermented product derived from the controlled growth of the yeast Saccharomyces cerevisiae on a nutrient-rich substrate. It contains a mixture of yeast cells and their metabolic byproducts, which include enzymes, organic acids, and fermentation metabolites. Yeast culture is commonly used in equine feed to support microbial activity in the digestive tract.

In equine nutrition, Saccharomyces cerevisiae yeast culture is often included in feed formulations to promote fiber digestion by enhancing the activity of beneficial hindgut microorganisms. It can help maintain a stable gut environment, which is essential for nutrient utilization and overall digestive efficiency. The fermentation metabolites produced by yeast culture may also contribute to microbial balance in the hindgut.

Yeast cultures are distinct from live yeast products in that they do not contain viable yeast cells but instead provide fermentation byproducts that influence digestion.

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

Feeds, Supplements & Products
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.
Senior (Brooks Feeds)
Complete FeedComplete Feed
FiberFiber
Omega 3-6-9Omega 3-6-9
SeniorSenior
Brooks Senior is a complete textured feed for geriatric horses. It contains elevated levels of fat and protein, digestible fibre sources, and can be soaked for senior horses with dental issues.
Senior Balancer (Buckeye)
JointsJoints
Mineral BalanceMineral Balance
SeniorSenior
VitaminsVitamins
Buckeye SENIOR BALANCER is a pelleted ration balancer for mature horses. It provides vitamins, minerals and amino acids and contains the joint supplement MSM.
Senior Horse (Matrix)
Complete FeedComplete Feed
HealthHealth
SeniorSenior
VitaminsVitamins
Senior Horse by Matrix is a pelleted feed formulated for senior horses that provides 13% protein and 5% fat. It provides protein and energy which can help maintain condition in senior horses.
Senior Pellet (Lifeline Premium Horse Feeds)
DentalDental
DigestionDigestion
FiberFiber
SeniorSenior
Senior Pellet by Lifeline Premium Horse Feeds is a complete pelleted feed intended for older horses with problems chewing long-stem forage.
Senior Plus (Excel Equine Feeds)
FatFat
FiberFiber
SeniorSenior
Weight IssuesWeight Issues
Senior Plus from Excel Equine Feeds is a feed that helps senior horses maintain their body weight. It is high in fat and fiber to help encourage weight gain for thinner horses. It is low in starch and sugar, and is good for hard keepers.
Senior Stable Mix (Elk Grove Milling)
Complete FeedComplete Feed
HealthHealth
NutritionNutrition
SeniorSenior
Elk Grove Milling's Senior Stable Mix is a pelleted formula intended for mature and senior horses. It is high in fibre and it can be used as a forage replacement for horses with dental or digestion issues.
Senior Stable Mix GC (Elk Grove Milling)
Complete FeedComplete Feed
JointsJoints
NutrientsNutrients
SeniorSenior
Senior Stable Mix GC by Elk Grove Milling is a complete feed containing glucosamine and chondroitin. It is intended for senior horses showing signs of arthritis.
Senior-Flex H/A (MVP)
ExerciseExercise
JointsJoints
RecoveryRecovery
SeniorSenior
Senior-Flex H/A by MVP is a pelleted supplement that contains hyaluronic acid, glucosamine, chondroitin sulphate, and MSM that intend to support joint function.
Senior-Flex Meal (MVP)
ExerciseExercise
JointsJoints
RecoveryRecovery
SeniorSenior
Senior-Flex Meal by MVP is a premixed supplement that contains hyaluronic acid, glucosamine, chondroitin sulphate, and MSM that intends to support joint function. It also includes probiotics that intend to help support the digestive process.
Sharpe 12% Sweet Feed (Sharpe Farm Supplies)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
FlavorFlavor
Weight IssuesWeight Issues
Sharpe 12% Sweet Feed is a 12% crude protein multi-particle blend coated in molasses. Sweet feeds are high in NSC but may be used to increase the palatability of certain medications, supplements, or rations.
Shine ‘N Win (Buckeye)
Coat QualityCoat Quality
FatFat
Omega 3-6-9Omega 3-6-9
Skin + HairSkin + Hair
Buckeye Shine 'N Win is an equine supplement formulated to support hair coat quality in show horses and horses being prepared for sale. Energy sources include ground flaxseed, soybean oil, and wheat germ meal.
Smart Carb Performance (Standlee)
ForageForage
Grain FreeGrain Free
Low NSC FeedsLow NSC Feeds
PerformancePerformance
Smart Carb Performance by Standlee is a performance feed that is teff grass and alfalfa-based. It contains low sugar and starch, is grain free, and has probiotics. It is intended to assist with digestion and immunity.
Sport Horse Mix (Elk Grove Milling)
Caloric EnergyCaloric Energy
FiberFiber
NutrientsNutrients
PerformancePerformance
Sport Horse Mix by Elk Grove Milling is a complete feed containing copra meal to provide cool energy. It is intended for horses in moderate work.
Stable MAX Performance (Elk Grove Milling)
Complete FeedComplete Feed
MareMare
PerformancePerformance
StallionStallion
Stable MAX Performance is a complete feed from Elk Grove Milling intended for performance horses, stallions, and broodmares. It provides probiotics and 14% protein.
Stable MAX Senior Lite (Elk Grove Milling)
Complete FeedComplete Feed
NutritionNutrition
ProbioticProbiotic
SeniorSenior
Stable MAX Senior Lite is a complete feed from Elk Grove Milling intended for senior horses, hard keepers, and metabolic horses. It provides probiotics and 15% protein.
Stable MAX Ultra Mate (Elk Grove Milling)
Complete FeedComplete Feed
Easy KeeperEasy Keeper
ProbioticProbiotic
ProteinProtein
Stable MAX Ultra Mate is a complete feed from Elk Grove Milling intended for easy keepers or horses in light work. It provides probiotics and 30% protein.
Stable Mix (Elk Grove Milling)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
FiberFiber
Gut HealthGut Health
Stable Mix by Elk Grove Milling is a complete pelleted formula intended for all horses. This feed is high in fiber (30%) and can be used to replace forage in a horse's diet.
Stable Mix Futurity (Elk Grove Milling)
GrowthGrowth
PerformancePerformance
PrebioticPrebiotic
ProbioticProbiotic
Stable Mix Futurity by Elk Grove Milling is a pelleted feed intended for young horses in training.
Stable Mix GC (Elk Grove Milling)
Complete FeedComplete Feed
HealthHealth
JointsJoints
NutrientsNutrients
Stable Mix GC by Elk Grove Milling is a complete pelleted feed containing glucosamine and chondroitin. It is intended for horses that show signs of arthritis.
Stable Mix Lite (Elk Grove Milling)
Complete FeedComplete Feed
HealthHealth
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
Stable Mix Lite by Elk Grove Milling is a high fiber feed containing less than 12% NSC. It is intended for easy keepers, or horses needing low sugar and starch diets.
Stake Horse (Woody’s Horse Nutrition)
Competition HorsesCompetition Horses
DigestionDigestion
FiberFiber
PerformancePerformance
Stake Horse by Woody’s Horse Nutrition is a beet-based 9% fat and 13% protein feed intended for racehorses. It is made with molasses, oats, barley, and beet pulp. This horse is intended for racehorses or performance horses.
Step Right Horse Mineral (Trouw Nutrition) [DISCONTINUED]
Gut HealthGut Health
HealthHealth
Ration BalancerRation Balancer
VitaminsVitamins
Step Right Horse Mineral (formerly Step 7b Pro Equine Supplement) is a concentrated mineral and vitamin supplement for horses in a loose powdered format. It is intended for horses that are not consuming complete feed, horses on pasture, or easy keepers.
Stud Mix (Bluegrass Horse Feed)
BroodmareBroodmare
DigestionDigestion
GrowthGrowth
StallionStallion
Stud Mix is formulated to help with digestion and nutrient uptake in breeding stock, including broodmares, stallions, and growing horses. It contains 14% protein, 6.2% fat, and 10.4% fibre.
Synergy (Thunderbrook)
Gut HealthGut Health
HealthHealth
HerbHerb
ImmunityImmunity
Synergy from Thunderbrook is a concentrated feed intended for all types of horses. Synergy contains prebiotics, herbs, and botanicals intended to support gut health.
Trifecta (Buckeye) – [Discontinued]
Complete FeedComplete Feed
FlavorFlavor
NutritionNutrition
PerformancePerformance
Buckeye TRIFECTA™ Sweet Pelleted Feed is a palatable and calorie-dense feed containing cane molasses to increase intake. TRIFECTA™ is intended for performance horses with higher energy demands.
Tru Care (Hygain)
DigestionDigestion
NutrientsNutrients
NutritionNutrition
SeniorSenior
Tru Care from Hygain is an extruded feed intended for horses requiring extra calories, such as senior horses. Tru Care contains glucosamine intended to support joint health.
Velocity (Ark Nutrition)
Complete FeedComplete Feed
ExerciseExercise
NutritionNutrition
ProteinProtein
Velocity by Ark Nutrition is a pelleted feed intended for horses in moderate to heavy work. It contains a blend of essential amino acids and fatty acids meant to support muscle development and improve muscle recovery.
Vermont Blend Pro (Custom Equine Nutrition)
Gut HealthGut Health
Hoof HealthHoof Health
Organic Trace MineralsOrganic Trace Minerals
Ration BalancerRation Balancer
Vermont Blend Pro is a forage balancer and hoof supplement with added yeast cultures. It uses organic sources of copper and zinc. It has a lower feeding rate than the original Vermont Blend.
Vermont Blend Pro No Selenium (Custom Equine Nutrition)
Amino AcidAmino Acid
Gut HealthGut Health
Hoof HealthHoof Health
Ration BalancerRation Balancer
Vermont Blend Pro No Selenium by Custom Equine Nutrition is a supplement containing no added selenium intended for horses with diets that already contain adequate amounts of this trace mineral.
Vitamin B1 – Thiamine (Herbs for Horses)
Competition HorsesCompetition Horses
MetabolismMetabolism
RecoveryRecovery
StressStress
Herbs for Horses' Vitamin B1 supplement provides Thiamine which is an essential B vitamin for growth, appetite and energy metabolism. Thiamine also aids in calming nervous or anxious horses.
WaterWerks (HorseTech)
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
YeastYeast
WaterWerks from HorseTech is a supplement that is meant to provide digestive support and is meant for horses with free fecal water syndrome or leaky gut syndrome. It contains live yeast and bacteria for gut health.
XPC Yeast Culture (Diamond V)
Feed EfficiencyFeed Efficiency
HindgutHindgut
ImmunityImmunity
YeastYeast
Diamond V® XPC is a feed additive and microbial fermentate product that supports the immune system and performance. It is based on a Saccharomyces cerevisiae yeast culture.
Yea-Sacc (AniMed)
ColicColic
Gut HealthGut Health
IngredientIngredient
YeastYeast
Yea-Sacc from AniMed contains only Yea-Sacc, a form of yeast. It is meant to support hindgut health, to maintain gut pH, and potentially contribute to reducing the risk of colic in horses.
Yea-Sacc® Farm Pak 2X (Alltech)
Feed EfficiencyFeed Efficiency
HindgutHindgut
Toxin BinderToxin Binder
YeastYeast
Alltech's Yea-Sacc® Farm Pak 2X is a yeast culture supplement based on Saccharomyces cerevisiae strain 1026. This strain is well-researched for its effects on feed efficiency in livestock animals.
Yeast Culture
Feed EfficiencyFeed Efficiency
Gut HealthGut Health
Toxin BinderToxin Binder
YeastYeast
Yeast cultures are live microbes that have a probiotic effect on the horse's hindgut. Feeding yeast supports hindgut fibre digestion and may reduce digestive issues, especially in horses on high-starch diets.
Yeast XP (Diamond V)
HindgutHindgut
ProbioticProbiotic
Toxin BinderToxin Binder
YeastYeast
Diamond V® XP yeast is a proprietary microbial fermentate formulated with Saccharomyces cerevisiae yeast. This feed additive helps to support digestion and immune health.

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