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Calcium Carbonate - Feed Ingredient

Calcium Carbonate (CaCO3) is a mineral compound derived from limestone, chalk, or marble. It is used in equine diets to supply calcium, which is essential for bone formation, muscle function, and metabolic processes.

While Calcium Carbonate is an economical supplement, its inclusion in feed formulations must be carefully balanced with other minerals, particularly phosphorus, to maintain an optimal calcium-to-phosphorus ratio. An imbalance can lead to metabolic issues and affect bone mineralization in growing horses.

The following equine feeds, supplements and products contain Calcium Carbonate as an ingredient.

Feeds, Supplements & Products
AminoTrace+ Vitamin and Mineral Supplement (Mad Barn)
Hoof HealthHoof Health
Metabolic SyndromeMetabolic Syndrome
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
AminoTrace+ by Mad Barn is a complete, balanced equine mineral and vitamin supplement designed for horses with metabolic concerns. It is ideal for horses with IR, PPID, or high iron in the diet.
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.
Optimum Digestive Health Pellets (Mad Barn)
DigestionDigestion
Feed EfficiencyFeed Efficiency
Gut HealthGut Health
ProbioticProbiotic
Optimum Digestive Health from Mad Barn is a probiotic and prebiotic supplement designed to support hindgut health in the horse. It helps to maintain a stable microflora and promote immune health.
Trace Mineral Pak (Mad Barn)
Coat QualityCoat Quality
ExerciseExercise
Hoof HealthHoof Health
Organic Trace MineralsOrganic Trace Minerals
Trace Mineral Pak from Mad Barn is a balanced equine supplement providing 100% organic (chelated) trace minerals. Ingredients include selenium, zinc, copper, and manganese.
Visceral+ (Mad Barn)
DigestionDigestion
Gut HealthGut Health
ImmunityImmunity
ProbioticProbiotic
UlcersUlcers
YeastYeast
Visceral+ by Mad Barn is a pelleted supplement to be used for horses with gastric health concerns. It is designed to maintain stomach and hindgut health and to support the immune system.
Fibre Grow (Dunstan)
BroodmareBroodmare
FiberFiber
FoalFoal
LactationLactation
Fibre Grow by Dunstan is a low-starch, high-fibre pellet intended to meet the requirements of pregnant and lactating mares as well as young growing horses.
Fibre Lite Molasses Free (Spillers Feeds)
CalmingCalming
DigestionDigestion
FiberFiber
ForageForage
Fibre Lite Molasses Free from Spillers Feed is a fiber blend with low calories and no added sugar. This feed is intended to be fed alongside a compound feed or balancer for horses and ponies in light work.
Fibre Nugget Horse Ration (Equiline)
AntioxidantAntioxidant
Complete FeedComplete Feed
FiberFiber
YeastYeast
Fibre Nugget Horse Ration from Equiline is a complete feed that has a high fibre content. This feed can be fed with hay or substituted with hay and is in a nugget form. It contains yeast and antioxidants.
Fibre O Plus (Brooks Feeds)
ExerciseExercise
FatFat
FiberFiber
Omega 3-6-9Omega 3-6-9
Fibre O Plus is a textured performance feed for horses with higher energy demands. It provides added calories from beet pulp and fat sources such as flax and rice bran.
Fibre Performance (Dodson & Horrell)
FiberFiber
ForageForage
NutritionNutrition
PerformancePerformance
Fibre Performance by Dodson & Horrell is a feed for the adult horse, providing a high-level fiber of 13%. This feed also includes a high amount of protein of 13%, with added electrolytes and amino acids to support performance.
Fibre Plus (Dunstan)
Bone HealthBone Health
Complete FeedComplete Feed
FiberFiber
GrowthGrowth
Fibre Plus by Dunstan is a high fibre, low starch pelleted feed intended to meet the nutrient requirements of young growing horses.
Fibre Smart (Matrix)
Caloric EnergyCaloric Energy
FiberFiber
Gut HealthGut Health
HindgutHindgut
Fibre Smart by Matrix is a pelleted, complete feed with a higher fiber content of 22%. It provides 14% protein and 6% fat, and is designed to feed to horses in light - moderate work that require additional calories beyond forage.
Fibregest (GWF Nutrition)
DentalDental
FiberFiber
HealthHealth
NutrientsNutrients
Fibregest by GWF Nutrition is a pelleted horse feed that is non-soak, non-heating conditioning feed intended to sustain horses and ponies in all levels of work.
Fibrenergy (Hallway Feeds)
Competition HorsesCompetition Horses
FiberFiber
Grain FreeGrain Free
Low NSC FeedsLow NSC Feeds
Hallway Fibrenergy is a high-fat, high-fibre textured feed designed for performance horses. Fibrenergy is grain-free and uses beet pulp, soy hulls and oils for energy.
Fibromega Cubed (Meunerie Benjamin)
Complete FeedComplete Feed
Coat QualityCoat Quality
FiberFiber
Gut HealthGut Health
Fibromega Cubed from Meunerie Benjamin is a complete feed that is high in fiber. It is intended to help with gastric health, coat and hoof health, and immunity.
Finger Lakes 12:7 (Poulin Grain)
Complete FeedComplete Feed
GrainsGrains
PerformancePerformance
ProteinProtein
Finger Lakes 12:7 by Poulin Grain is a textured feed intended for race horses. It contains corn, oats, and vitamin and mineral pellets. It supplies 12% crude protein, 7% fat, and 8% fiber.
Finisher 14 (McCauley’s Equine Formulas)
Coat QualityCoat Quality
FatFat
FoalFoal
Weight IssuesWeight Issues
Finisher 14™ is a textured feed designed for performance horses and preparing sale horses. It provides high levels of vegetable oil and beet pulp to promote a healthy coat appearance.
Finishing Touch (Masterfeeds)
Coat QualityCoat Quality
EnergyEnergy
FatFat
Weight IssuesWeight Issues
Masterfeeds Finishing Touch is a high-fat pelleted horse supplement that is used to promote weight gain or to provide fat as an energy source. It can be top-dressed on feed to increase the calorie density of the diet.
Fire-Fighter Non-GMO (Daily Dose Equine)
Easy KeeperEasy Keeper
HealthHealth
NutrientsNutrients
Weight IssuesWeight Issues
Fire-Fighter Non-GMO by Daily Dose Equine is a low NSC (10%) forage balancer intended for picky eaters needing to lose weight and horses with sensitive stomachs.
Fit & Fibre – Pelleted (Brooks Feeds)
Complete FeedComplete Feed
FatFat
FiberFiber
NutritionNutrition
Fit and Fibre is a high fat and fibre pelleted feed from Brooks Performance Horse Feeds. It contains a minimum of 6.50% fat and a maximum of 20% fibre with an NSC of 32.4% determined by independent testing. It is listed as a controlled NSC feed.
Fit & Fibre – Textured (Brooks Feeds)
Complete FeedComplete Feed
FatFat
FiberFiber
NutritionNutrition
Fit and Fibre is a high-fat and fibre textured feed from Brooks Performance Horse Feeds. This feed is meant to provide energy for horses in light to moderate work.
Flax Appeal (Brooks Feeds)
AntioxidantAntioxidant
FatFat
Low NSC FeedsLow NSC Feeds
Omega 3-6-9Omega 3-6-9
Flax Appeal is a high-energy top dressing that provides elevated levels of fat and protein primarily from flaxseed and soybean. Flax Appeal is formulated for weight gain, horses in light to heavy work, or if omega-3’s are needed.
Flax Plus Balancer (Bluegrass Horse Feed)
Coat QualityCoat Quality
EnergyEnergy
ToplineTopline
Weight IssuesWeight Issues
Flax Plus Balancer is cereal and soya-free formula for horses and ponies needing better condition. Ideal for those in light to moderate work. It contains 19% protein, 8% fat, and 10.6% fibre.
Flaxin 3 (Meal) (MVP)
Coat QualityCoat Quality
FatFat
Omega 3-6-9Omega 3-6-9
Organic Trace MineralsOrganic Trace Minerals
Flaxin 3 by MVP is a premixed supplement that provides a source of calcium and phosphorus with ingredients such as whole ground stabilized flax, minerals, and probiotics.
Flexi Time (Capstone Horse Feed)
BroodmareBroodmare
EnergyEnergy
NutritionNutrition
PerformancePerformance
Flexi Time by Capstone Horse Feed is an oat-free feed intended for breeding, racing and performance horses.
Foal (Krafft)
Complete FeedComplete Feed
FoalFoal
GrowthGrowth
NutritionNutrition
Foal by Krafft is a supplementary feed intended for foals and young horses. It provides protein, vitamins, and minerals.
Foal & Weanling (McCauley’s Equine Formulas)
FoalFoal
GrowthGrowth
Gut HealthGut Health
HealthHealth
McCauley's Foal & Weanling is a pelleted feed for foals and growing horses. It is formulated to support gut development and to help transition foals from milk to feed.
Foal & Yearling Cooked Mix (Red Mills)
FoalFoal
GrowthGrowth
NutritionNutrition
Weight IssuesWeight Issues
Foal & Yearling Cooked Mix from Red Mills is intended for youngstock during growth, development, and stressful periods (weaning, sales prep, etc.). This feed is meant to support muscle and skeletal development and overall body condition.
Foal and Yearling Mix (Bluegrass Horse Feed)
Coat QualityCoat Quality
DigestionDigestion
FoalFoal
GrowthGrowth
Foal and Yearling Mix is a textured feed for young and growing stock. It can be used as a creep feed or supplemental feed for yearlings. It contains 16.6% protein, 6.2% fat, and 6.1% fibre.
Foal Balancer Milk Pellets (Seminole)
FoalFoal
GrowthGrowth
ProbioticProbiotic
YeastYeast
Seminole Foal Balancer Milk Pellets is a milk replacer and creep feed intended for nursing and orphan foals. It can also be fed to lactating mares and performance horses. This feed contains probiotic and yeast culture.
Foal Creep Pellets (Baileys Horse Feeds)
FoalFoal
GrowthGrowth
NutritionNutrition
ProteinProtein
Foal Creep Pellets by Baileys Horse Feeds is intended for orphaned foals and suckling foals. This pelleted feed contains milk proteins and micronized cereals efficiently utilized by the foals developing Gastrointestinal tract.
Foal Foundation (Tribute Equine)
FoalFoal
GrowthGrowth
PrebioticPrebiotic
ProbioticProbiotic
Tribute Foal Foundation™ is a milk-based pellet for foals up to three months of age to supplement the nutrients provided in mare's milk. The smaller pellet size helps to transition the foal to solid feeds.
Foal Gold Classic (St.Hippolyt)
Bone HealthBone Health
DigestionDigestion
FoalFoal
GrowthGrowth
Foal Gold Classic by St.Hippolyt is a feed intended to support foal development and is recommended to be used up until the age of two.
Foal Milk Bits (Hoffman’s Horse Products)
FiberFiber
FoalFoal
HealthHealth
NutritionNutrition
Foal Milk Bits from Hoffman's Horse Products is a pelleted feed for foals. Foal Milk Bits is intended to supplement mare's milk. Foal Milk Bits may provide extra nutrition to foals who require additional calories.
Foal Milk Replacer (Hoffman’s Horse Products)
FatFat
FoalFoal
HealthHealth
NutritionNutrition
Foal Milk Replacer from Hoffman's is intended to replace or supplement a mare's milk. This milk replacer is highly palatable and intended to meet growing foals requirements.
Foal Pellets (Red Mills)
FoalFoal
GrowthGrowth
MuscleMuscle
NutritionNutrition
Foal Pellets from Red Mills is a feed intended for nursing foals, orphaned foals, and weak and backward foals. This pelleted feed is meant to support growth, muscle development, and skeletal integrity.
Foal Starter (Buckeye)
EnergyEnergy
FoalFoal
PrebioticPrebiotic
ProteinProtein
Buckeye Foal Starter is a milk-based pellet that can be used as a free-choice transition or creep feed for foals under three months of age. It provides digestible fibre and protein sources.
Fohlengold BoneCare (St.Hippolyt)
Bone HealthBone Health
FoalFoal
GrowthGrowth
JointsJoints
Fohlengold BoneCare by St.Hippolyt is a pelleted supplement intended to support stable bone growth in foals and young horses.
Fohlengold Muesli (St.Hippolyt)
Bone HealthBone Health
FoalFoal
GrowthGrowth
ImmunityImmunity
Fohlengold Muesli by St.Hippolyt is a muesli intended to support the immune system and balanced growth of foals.
Folic Acid Powder (AniMed)
Blood CellsBlood Cells
HealthHealth
PerformancePerformance
VitaminsVitamins
Folic Acid Powder from AniMed is a supplement containing folic acid, which plays a role in the health and maintenance of red blood cells. This supplement is meant to improve hemoglobin levels, performance, and the general condition of horses.
Forage Extender (Kent Equine)
Caloric EnergyCaloric Energy
Hay StretcherHay Stretcher
NutritionNutrition
ProteinProtein
Forage Extender is a pelleted feed containing processed grain by-products, roughage plant protein, and calcium carbonate. This feed does not contain added vitamins or minerals. It is intended for horses kept on dry lots or in pastures.
Forage Extender Mini Bites (Poulin Grain)
FiberFiber
Gut HealthGut Health
ProteinProtein
YeastYeast
Forage Extender Mini Bites by Poulin Grain is a pelleted, high fiber feed that is meant to be used to replace up to half of the forage in the diet of horses, sheep, cattle, and goats. It provides 12% protein, 2% fat, and 28% fiber.
Forage Extender Super Bites (Poulin Grain)
FiberFiber
GrowthGrowth
NutritionNutrition
ProteinProtein
Forage Extender Super Bites by Poulin Grain is a pelleted feed that is meant to be used to replace up to half of the forage in the equine diet. It provides 12% protein, 2% fat, and 28% fiber in a large format pellet.
Forage Plus Gastric Support (Standlee)
DigestionDigestion
Grain FreeGrain Free
HindgutHindgut
Low NSC FeedsLow NSC Feeds
Forage Plus Gastric Support from Standlee is an alfalfa-based pelleted feed. It is meant to assist with gut and hindgut health. It does not contain grain, and contains low NSCs.
ForeLyte Paste (Forefront Equine)
ElectrolyteElectrolyte
HydrationHydration
RecoveryRecovery
StaminaStamina
ForeLyte Paste is a paste supplement intended to replace lost electrolytes during sweating. It is ideal for horses in training programs or horses exposed to elevated temperatures.
FormRyte (Enviro Equine)
Bone HealthBone Health
GrowthGrowth
PerformancePerformance
RecoveryRecovery
FormRyte by Enviro Equine is a supplement intended to support bone development, reduce bone loss and promote recovery from soft tissue injury in all horse types.
Formula 2 Equine Supplement (Dr. Reeds) – [Discontinued]
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Dr. Reeds Formula 2 is a now-discontinued vitamin/mineral supplement for horses with higher NSC content than Formula 1. This supplement used a combination of organic and inorganic trace minerals and contained wheat and molasses.
Formula 3 (Mitavite)
EnergyEnergy
Gut HealthGut Health
PerformancePerformance
ProteinProtein
Formula 3 by Mitavite is a high energy, oat-free feed intended for racing and performance horses.
Fortified Pelleted Rice Bran (Legends)
EnergyEnergy
ExerciseExercise
FatFat
Weight IssuesWeight Issues
Legends Fortified Pelleted Rice Bran is an 18% fat supplement targeted to hard-keepers and performance horses. This extruded feed can help meet energy demands and maintain body condition.
Fortify (Dove Performance Nutrition)
Mineral BalanceMineral Balance
NutrientsNutrients
Ration BalancerRation Balancer
VitaminsVitamins
Fortify from Dove Performance Nutrition is a pelleted feed ration for horses. It contains vitamins, minerals, protein, fiber and fat.
Fortify (Excel Equine Feeds)
FiberFiber
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
Fortify from Excel Equine Feeds is a textured feed intended for horses in all stages of life. This feed contains 13% protein and 8% fat. Fortify is intended for horses in any level of work.
Foundation Cube (Hallway Feeds)
FiberFiber
Hay StretcherHay Stretcher
NutritionNutrition
ProteinProtein
Foundation Cube by Hallway Feeds is a cubed feed intended for growing and mature horses. It is a fortified feed that can be fed in amounts up to 18 lbs (8 kg) per day
Free Balance 12:12 Vitamin & Mineral (Purina)
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Free Balance 12:12 Vitamin & Mineral from Purina is a granulated mineral supplement. This supplement is intended for horses who are not receiving a balanced concentrate feed.
Free Choice (Doctor’s Choice Supplements)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Free Choice by Doctor's Choice Supplements is a vitamin and mineral supplement intended for horses strictly on pasture or forage. It contains ingredients such as calcium carbonate, salt, and monocalcium phosphate.
Freestyle Performance (Daily Dose Equine)
Caloric EnergyCaloric Energy
FatFat
FiberFiber
PerformancePerformance
Freestyle Performance by Daily Dose Equine is a textured feed that is higher in fat and fibre than Sweet ‘n Safe. It is intended for performance horses. It is also known as Trail Mix.

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