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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
SafeChoice All Life Stages (Nutrena)
Gut HealthGut Health
ImmunityImmunity
Organic Trace MineralsOrganic Trace Minerals
ToplineTopline
SafeChoice All Life Stages is a pelleted feed that is meant to support skin and coat health, hoof health, and topline support. It is also supposed to assist with gut health and immunity, and contains organic trace minerals.
SafeChoice Maintenance (Nutrena)
Complete FeedComplete Feed
DigestionDigestion
FiberFiber
NutritionNutrition
Nutrena SafeChoice Maintenance is a pelleted horse feed that provides a maximum of 25% NSC (20% starch and 5% sugar). It is intended as a low-starch feed to maintain body condition.
SafeChoice Mare & Foal Pellet (Nutrena)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
SafeChoice Mare & Foal Pellet is a horse feed intended for pregnant or lactating mares, weanlings, and yearlings. It contains a maximum of 22% NSC with higher protein meant to meet the needs of growing horses.
SafeChoice Mare & Foal Textured (Nutrena)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Nutrena SafeChoice Mare & Foal Textured is a texturized feed intended for pregnant or lactating mares, weanlings, and yearlings. It contains a maximum of 30% NSC and 16% protein meant to meet the needs of growing horses.
SafeChoice Original (Nutrena) – [DISCONTINUED]
Complete FeedComplete Feed
Gut HealthGut Health
HealthHealth
Ration BalancerRation Balancer
Nutrena SafeChoice Original is a pelleted horse feed intended to meet the nutritional needs of a wide range of horses. It provides 22% NSC with 14% protein and 7% fat. SafeChoice Original is now SafeChoice All Stages.
SafeChoice Perform Pellet (Nutrena)
Competition HorsesCompetition Horses
EnergyEnergy
ExerciseExercise
NutritionNutrition
SafeChoice Perform is a pelleted feed intended to meet the needs of hard keepers and performance horses. It contains 14% crude protein, 9% crude fat, and 24% NSC.
SafeChoice Perform Textured (Nutrena)
Competition HorsesCompetition Horses
EnergyEnergy
ExerciseExercise
NutritionNutrition
Nutrena SafeChoice Perform Textured is a high-fat high-calorie feed. It is intended for horses with higher energy requirements, including performance horses and hard keepers.
SafeChoice Senior (Nutrena)
Coat QualityCoat Quality
DentalDental
SeniorSenior
Weight IssuesWeight Issues
SafeChoice Senior is an easy-to-chew, high-fat, controlled starch feed intended for older horses. It is meant to support horses experiencing age-related weight loss, fatigue, or horses with muscle or coat quality issues.
SafeChoice Senior LM (Nutrena)
Coat QualityCoat Quality
DentalDental
SeniorSenior
Weight IssuesWeight Issues
SafeChoice Senior LM is a lower-molasses (LM) high-starch feed intended for senior horses, particularly horses that need to gain weight or have dental issues. It contains 14% crude protein, 8% crude fat, and 18.5% NSC.
SafeChoice Special Care (Nutrena)
Complete FeedComplete Feed
Easy KeeperEasy Keeper
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
SafeChoice Special Care by Nutrena is a controlled starch formula intended for horses with metabolic concerns and easy keepers. It is a corn-free feed that contains a maximum of 7% dietary starch and 3% sugar.
Security (Doctor’s Choice Supplements)
JointsJoints
PerformancePerformance
Ration BalancerRation Balancer
SeniorSenior
Security by Doctor's Choice Supplement is an organic ration balancer intended for mature and performance horses. It contains glucosamine, chondroitin, and yucca to support joint health.
Select 12-6 Pelleted Feed (Manna Pro) [Discontinued]
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
HealthHealth
NutritionNutrition
Select 12-6 Pelleted Feed from Manna Pro is formulated for mature horses. It contains 12% crude protein, 6% crude fat, 20% crude fibre, and uses a mix of organic and inorganic trace minerals.
Selenium Supplement (HorseTech)
HealthHealth
NutrientsNutrients
NutritionNutrition
Organic Trace MineralsOrganic Trace Minerals
Selenium Supplement by HorseTech is a selenium yeast supplement that provides 1 mg of selenium per 10 g serving. It is intended to support horses whose diets may be lacking adequate selenium.
Senior (Barastoc)
Complete FeedComplete Feed
DigestionDigestion
ImmunityImmunity
SeniorSenior
This pelleted complete feed from Barastoc is made for senior horses. It is meant to be easily digestible and can provide immune support.
Senior (Hygain)
HealthHealth
ImmunityImmunity
NutritionNutrition
SeniorSenior
Senior from Hygain is a textured feed intended for senior horses. Senior contains added glucosamine intended to support joint health. This feed also contains added amino acids intended to support muscle development.
Senior (Triple Crown)
Complete FeedComplete Feed
FatFat
Grain FreeGrain Free
SeniorSenior
Triple Crown Senior is a grain-free, beet pulp-based, high-fat feed designed to meet the needs of older horses. It provides 17% fiber and can be fed as the sole ration for horses unable to eat forage due to dental issues.
Senior Active + (Triple Crown)
HealthHealth
NutritionNutrition
SeniorSenior
Weight IssuesWeight Issues
Senior Active + from Triple Crown is an extruded pelleted intended for older horses or hard keepers. This feed is intended for horses with metabolic issues.
Senior Care (Banks Mill Feeds)
FiberFiber
Mineral BalanceMineral Balance
SeniorSenior
VitaminsVitamins
Banks Mill Feeds Senior Care is an easy-to-chew pelleted feed intended for senior horses with dental issues. It is meant to be made into a mash and provides high fiber content to replace forage.
Senior Combo Multi-Function Supplement (Agrimaster)
Hoof HealthHoof Health
JointsJoints
ProbioticProbiotic
Skin + HairSkin + Hair
Senior Combo Multi-Function Supplement by Agrimaster is a powdered supplement intended to support overall health in senior horses.
Senior Formula (Bartlett Milling) [Discontinued]
Feed EfficiencyFeed Efficiency
FlavorFlavor
SeniorSenior
Weight IssuesWeight Issues
Bartlett Senior Formula is a molasses-sweetened pellet formulated for senior horses by Kentucky Equine Research. It provides 13% protein and 5% fat in an easy-to-chew pellet.
Senior Formula (Seminole)
AntioxidantAntioxidant
Complete FeedComplete Feed
Gut HealthGut Health
SeniorSenior
Seminole Senior Formula™ is a textured feed formulated to meet the needs of senior horses. This easy-to-chew feed is beet pulp-based and contains rice bran, molasses and soybean oil for energy.
Senior GC Pelleted Feed (BUCKEYE Nutrition)-[Discontinued]
Complete FeedComplete Feed
HealthHealth
JointsJoints
SeniorSenior
Senior GC is a now-discontinued pelleted feed from Buckeye Nutrition targeted to older horses with functional teeth. Senior GC provided glucosamine, chondroitin, and MSM to support joint health.
Senior Gold (Triple Crown)
DentalDental
DigestionDigestion
FatFat
SeniorSenior
Triple Crown Senior Gold is a grain-free, beet pulp-based soft feed intended for older horses. It contains 14.5% protein, 12.5% fat and 9% NSC. Senior Gold can be mixed with water to form a mash for horses with dental issues or prone to choke.
Senior Health & Wellness (Farnam)
Gut HealthGut Health
Mineral BalanceMineral Balance
SeniorSenior
VitaminsVitamins
Farnam's Senior Health & Wellness supplement is formulated for senior horses in light work or at maintenance. Senior Health and Wellness is an extruded nugget feed containing amino acids, vitamins, and minerals for horses on a forage-only diet.
Senior HF (Excel Equine Feeds)
DigestionDigestion
HealthHealth
SeniorSenior
Weight IssuesWeight Issues
Senior HF by Excel Equine Feeds is a textured feed intended to be palatable for senior horses with weight issues or needing digestive support.
Senior Horse Pelleted (Agrimaster)
DigestionDigestion
HealthHealth
ImmunityImmunity
SeniorSenior
Senior Horse Pelleted by Agrimaster is a pelleted feed intended to meet the nutritional requirements of senior horses.
Senior Horse Rations (Jones Horse Feeds)
Complete FeedComplete Feed
FatFat
Gut HealthGut Health
SeniorSenior
Jones Senior Horse Pellet is a complete feed designed with a high fat content (10%) from rice bran. It also contains elevated levels of protein, vitamins and minerals to support mature horses.
Senior Needs (Excel Equine Feeds)
DigestionDigestion
ImmunityImmunity
SeniorSenior
VitaminsVitamins
Senior Needs from Excel Equine Feeds is a textured feed meant for seniors to help support digestion, immunity, and skeletal strength. It is readily digestible and contains minerals and vitamins.
Senior Pellet (Masterfeeds)
Complete FeedComplete Feed
DigestionDigestion
FiberFiber
SeniorSenior
Masterfeeds Senior is a complete pelleted horse feed formulated with high-calorie digestible fiber sources and added fat. It is designed to meet the needs of senior horses and horses requiring a low-starch diet and low glycemic ration.
Senior Pellet (Right Choice)
FatFat
FiberFiber
NutritionNutrition
SeniorSenior
Senior by Right Choice is a pelleted complete feed intended for senior horses with elevated protein. It contains 14% protein, 7% fat, and 19% NSC.
Senior Pellets (Ritchie Smith – Harmony)
HealthHealth
NutritionNutrition
SeniorSenior
Weight IssuesWeight Issues
Senior Pellets from Ritchie Smith's Harmony is a pelleted feed intended for senior horses. This feed is also intended for horses who are hard keepers. Senior Pellets contains 15% crude protein and crude fibre.
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 Ration (Hoffman’s Horse Products)
Complete FeedComplete Feed
Feed EfficiencyFeed Efficiency
SeniorSenior
Weight IssuesWeight Issues
Hoffman's Senior Horse Ration is a feed designed for senior horses that need extra caloric energy to maintain weight. This feed contains 17.5% NSC with moderate fat content (5%) and high fibre content (24%).
Senior Sport (Tribute)
Complete FeedComplete Feed
ExerciseExercise
FiberFiber
SeniorSenior
Tribute Senior Sport™ is a high calorie feed for mature performance horses. It provides 16.5% NSC with 10% fat and 18% fibre to support performance.
Senior Sport with Glucosamine (Tribute)
ExerciseExercise
FatFat
FiberFiber
SeniorSenior
Senior Sport with Glucosamine by Tribute is a textured feed for seniors with added glucosamine that intends to support joint health. It contains high fat and fibre to support calmer performances.
Senior Textured Feed (ProElite)
DigestionDigestion
Feed EfficiencyFeed Efficiency
PerformancePerformance
SeniorSenior
Pro Elite Senior Textured Feed is a high fat (10%) and protein (14%) senior complete feed. It is appropriate for senior horses that need help maintaining or gaining weight.
Seniority (Excel Equine Feeds)
FiberFiber
HealthHealth
NutritionNutrition
SeniorSenior
Seniority by Excel Equine Feeds is a textured feed intended to support the immune system, muscle and hoof quality of senior horses.
Seniority Low NSC (Tribute)
Complete FeedComplete Feed
HealthHealth
Low NSC FeedsLow NSC Feeds
NutritionNutrition
Seniority Low NSC from Tribute is a complete feed containing 10% NSC (Starch + Sugar). This feed is intended for horses with sugar and starch sensitivities.
Seniority Pellet (Tribute)
Amino AcidAmino Acid
Complete FeedComplete Feed
PerformancePerformance
SeniorSenior
Seniority Pellet is a pelleted complete feed formulated for adult and senior horses. It is a low-calorie feed with a high feeding rate and can be used to replace forage in the diet.
Seniority™ Pellet (Tribute)
Complete FeedComplete Feed
HealthHealth
NutrientsNutrients
Ration BalancerRation Balancer
Tribute Seniority™ Pellet is an 18% NSC complete feed for mature horses. It provides energy from digestible fiber sources including dehulled soybean and alfalfa meal, wheat middlings, and beet pulp.
Sentinel Active Senior (Blue Seal)
ExerciseExercise
FatFat
FiberFiber
SeniorSenior
Blue Seal Sentinel Active Senior is a pelleted feed formulated for active senior horses or hard-keepers. With energy sources such as wheat middlings, soybean hulls, and soybean oil, Sentinel Active Senior contains 19.7% NSC.
Sentinel Care Carb-Guard (Blue Seal)
FiberFiber
Gut HealthGut Health
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
Blue Seal Sentinel Care Carb-Guard is a pelleted feed formulated for adult horses with metabolic or digestive health concerns. It contains 10% NSC and is a high-fiber formula.
Sentinel Care Equine Choice Topline 30 (Blue Seal)
Easy KeeperEasy Keeper
ProteinProtein
Ration BalancerRation Balancer
ToplineTopline
Blue Seal Sentinel Care Equine Choice Topline 30 is a pelleted ration balancer with 14.7% NSC. It is formulated to provide protein, vitamins, and minerals that may be lacking in the equine diet.
Sentinel Care Gastric Support (Blue Seal)
DigestionDigestion
Gut HealthGut Health
Mineral BalanceMineral Balance
ProbioticProbiotic
Sentinel Care Gastric Support is a pelleted equine supplement intended to support gastrointestinal health in times of stress. It contains bioavailable calcium and magnesium from a natural marine algae source to modulate gastric pH.
Sentinel Grow & Excel GX (Blue Seal)
ExerciseExercise
FoalFoal
GrowthGrowth
PerformancePerformance
Sentinel Grow & Excel GX is an extruded feed for hard keepers as well as growing, breeding, and performance horses. It provides 10% crude fat, 15% fiber, and a maximum of 17% NSC.
Sentinel LifeTime (Blue Seal)
FatFat
FiberFiber
JointsJoints
PerformancePerformance
Sentinel LifeTime is an extruded feed intended for junior, adult and senior horses that require a higher caloric density. It provides 10% fat, 20% fibre and a maximum NSC of 14.5%.
Sentinel Performance LS (Blue Seal)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
PerformancePerformance
SeniorSenior
Blue Seal Sentinel® Performance LS is an extruded feed providing a maximum of 14% NSC. It is intended for horses requiring a higher calorie diet, such as equine athletes and hard keepers.
Sentinel Safe Start SS (Blue Seal)
Complete FeedComplete Feed
FoalFoal
GrowthGrowth
LactationLactation
Sentinel Safe Start SS is an extruded complete feed formulated for broodmares and growing foals. It provides higher protein content (16%) to meet the increased demands of late gestation, early lactation, and developing foals.
Sentinel Senior SR (Blue Seal)
DentalDental
Feed EfficiencyFeed Efficiency
Ration BalancerRation Balancer
SeniorSenior
Sentinel Senior SR is an extruded feed for older horses and mature easy keepers. It is formulated to provide higher feed efficiency for senior horses with gut issues or poor teeth. The addition of bioavailable marine-sourced calcium supports gastric pH and health.
Sentinel Simply Lite (Blue Seal)
Easy KeeperEasy Keeper
Gut HealthGut Health
Metabolic SyndromeMetabolic Syndrome
ProbioticProbiotic
Sentinel Simply Lite from Blue Seal is a low-calorie pelleted feed intended for adult horses. Formulated for easy keepers, Sentinel Simply Lite provides lower fat and protein content with 16.2% NSC.

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