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Ferrous Sulfate - Feed Ingredient

Ferrous Sulfate is an iron salt used in various feed formulations to supply bioavailable iron, an essential mineral necessary for oxygen transport, energy production, and enzyme function. This crystalline compound is highly soluble, ensuring that when included in diets, its iron is readily absorbed and utilized by the body. It is commonly employed in nutritional supplements for species with identified iron deficiencies, contributing to the synthesis of hemoglobin and supporting overall metabolic health.

In equine nutrition, however, supplemental iron is typically unnecessary as horses generally obtain adequate levels of iron from their forage-based diets. Excess iron may interfere with the absorption of other essential minerals and could potentially lead to nutritional imbalances. Therefore, the use of Ferrous Sulfate in horse feeds should be avoided unless a specific deficiency is diagnosed and supplementation is implemented under the strict guidance of a veterinarian.

The following equine feeds, supplements and products contain Ferrous Sulfate as an ingredient.

Feeds, Supplements & Products
Milestone Optimize Horse Supplement (Muenster)
FatFat
NutritionNutrition
Omega 3-6-9Omega 3-6-9
Weight IssuesWeight Issues
Optimize Horse Supplement is a high-fat feed intended to provide more energy to breeding horses and performance horses. It contains nutrient dense ingredients such as coconut meal and flaxseed.
Milestone Senior Horse Food (Muenster)
FatFat
FiberFiber
MareMare
SeniorSenior
Milestone Senior Horse Food is a pelleted feed intended for older horses in light to moderate work. It is suitable as a supplemental feed when forage availability is limited. It contains high fiber, low starch, alfalfa, coconut, flax, and algae meal.
Moore Power 12-8 (Thomas Moore Feed)
FatFat
Mineral BalanceMineral Balance
NutritionNutrition
ProteinProtein
Moore Power 12-8 by Thomas Moore Feed is a pelleted feed that contains 12% protein and 8% fat. It is intended to balance the diet, assist with body conditioning, and contains vitamins and minerals.
Moore Power 14-10 (Thomas Moore Feed)
EnergyEnergy
GrowthGrowth
NutrientsNutrients
PerformancePerformance
Moore Power 14-10 from Thomas Moore Feed is a high energy feed that is intended for breeding, growing, or performance horses. It contains protein, fat, fiber, vitamins and minerals.
Moore Power Senior (Thomas Moore Feed)
Mineral BalanceMineral Balance
NutrientsNutrients
SeniorSenior
VitaminsVitamins
Moore Power Senior from Thomas Moore Feed is a feed meant for senior horses. It contains minerals, vitamins, fiber and protein. It is intended to assist with maintenance of senior horses.
MuesliMax (Hallway)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
EnergyEnergy
FatFat
MuesliMax from Hallway is a sweet feed fortified with Stamm 30 formulated for high-performance horses with high energy needs. This feed provides energy from oats, barley, vegetable oil, and black sunflower seeds. MuesliMax contains 11% protein, 8% fat, and 10% fibre.
Multi-Max (West Feeds)
GrainsGrains
Mineral BalanceMineral Balance
NutritionNutrition
ProteinProtein
VitaminsVitamins
Multi-Max by West Feeds is a top-dressed supplement meant to support most livestock production animals, with a high level of protein of 28%. The ingredients in this feed include inorganic vitamins and minerals and yeast strains to increase digestibility.
Multi-Species Milk Replacer (Hubbard Feeds)
Bone HealthBone Health
FoalFoal
GrowthGrowth
NutritionNutrition
Hubbard® Life Multi-Species Milk Replacer supplies complete nutrition for foals, goat kids, lambs, calves and piglets. It is used to replace or supplement mother's milk with all-milk protein sources and high fat.
MultiSentials 1:1 (Sentinel Care)
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
PerformancePerformance
VitaminsVitamins
MultiSentials 1:1 by Sentinel Care is a complete granular supplement formulated to correct nutritional deficiencies caused by hay and pasture-based diets. It is suitable for all classes of working horses
Munga (Hygain)
Easy KeeperEasy Keeper
HealthHealth
Low NSC FeedsLow NSC Feeds
NutritionNutrition
Munga from Hygain is a textured feed intended for horses in light to medium work levels. Munga contains 13% NSC, 25% crude protein and 11% crude fat.
Natur-Alfa Oat (Excel Equine Feeds)
EnergyEnergy
HealthHealth
NutrientsNutrients
NutritionNutrition
Natur-Alfa Oat from Excel Equine feeds is a cubed feed. Natur-Alfa Oat is an oat-alfalfa feed intended for a wide range of horse lifestyles.
Natur-Oat (Excel Equine Feeds)
Easy KeeperEasy Keeper
HealthHealth
NutrientsNutrients
NutritionNutrition
Natur-Oat from Excel Equine Feeds is a cubed feed. Natur-Oat is intended for horses in various life stages and is composed of ground oats.
Natural Balance (Havens Horsefeed)
Caloric EnergyCaloric Energy
FiberFiber
NutritionNutrition
Omega 3-6-9Omega 3-6-9
Natural Balance by Havens Horsefeed is an oat- and molasses-free textured feed. It contains wheat, puffed corn, alfalfa meal, and added vitamins and minerals. This feed is intended for nervous horses and those prone to laminitis, summer itch, and insulin resistance.
Natural Blend Performance (Bluebonnet Feeds)
GrainsGrains
NutrientsNutrients
PerformancePerformance
ProbioticProbiotic
Natural Blend Performance from Bluebonnet Feeds is intended for horses at all life stages with added soybean as a source of fat. It contains 12% protein, 10% fat, and 15% fibre, with added probiotics and organic trace minerals.
Natural Senior (Thomas Moore Feed)
Complete FeedComplete Feed
NutrientsNutrients
SeniorSenior
YeastYeast
Natural Senior from Thomas Moore Feed is a complete feed for senior horses. It is intended to be highly soluble to assist senior horses and contains yeast and micronutrients.
Northwest Horse Supplement (NW)
AntioxidantAntioxidant
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Northwest Horse Supplement is a supplement containing trace minerals, yeast, antioxidants and vitamins. It is intended for stallions and performance, maintenance, and halter horses.
Nutrequin Elite (Equistro)
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Nutrequin Elite is a vitamin, mineral, and amino acid supplement formulated for performance horses as well as lactating and pregnant mares.
Oat Base (No Corn) (Ace Hi Feeds)
Caloric EnergyCaloric Energy
FlavorFlavor
GrainsGrains
NutrientsNutrients
Oat Base by Ace Hi Feeds is a corn-free, textured equine feed. It contains added vitamins and a blend of organic and inorganic minerals. This textured feed is intended for all horses and ponies.
Oatena (Purina)
Caloric EnergyCaloric Energy
ExerciseExercise
HealthHealth
NutrientsNutrients
Purina Oatena is a textured feed intended for active pleasure horses in boarding stables and riding schools. It supplies moderate protein (13%) and low fat (4%) from ingredients such as whole oats, flaked barley, wheat, soy hulls, and soybean oil.
OBS Easy 10 (Ocala Breeders’ Feed and Supply)
Easy KeeperEasy Keeper
FiberFiber
NutritionNutrition
Weight IssuesWeight Issues
OBS Easy 10 by Ocala Breeder’s Supply (OBS) is a complete pelleted feed intended for easy-keepers and horses at maintenance. It provides lower protein (10%) and fat (3.5%) content and is composed of corn, oats, wheat middlings, soybean hulls, alfalfa meal and molasses.
OBS Generation (Ocala Breeders’ Feed and Supply)
FatFat
Mineral BalanceMineral Balance
ProteinProtein
VitaminsVitamins
OBS Generation is a complete pelleted feed formulated for horses at maintenance. It is made with wheat middlings, oats and corn, and provides 14% protein and 6% fat.
OBS Gest-O-Lac (Ocala Breeders Feed & Supply)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
OBS Gest O Lac is a textured horse feed for broodmares in late gestation, lactating mares, and foals. It contains high protein and fat content to support growth and lactation. Yeast culture is added to help support gut health.
OBS Hi-Amo Plus (Ocala Breeders Feed & Supply)
Amino AcidAmino Acid
ExerciseExercise
GrowthGrowth
LactationLactation
OBS Hi-Amo Plus is a textured concentrate feed designed to support growth and reproductive function. It contains added lysine, digestible fibre sources, and selenium yeast.
OBS Mane 10 (Ocala Breeders’ Feed and Supply)
Easy KeeperEasy Keeper
FiberFiber
Mineral BalanceMineral Balance
VitaminsVitamins
OBS Mane 10 is a complete textured feed intended for easy-keepers and pleasure horses. It contains 10% protein and 3.5% fat and contains oats, corn and wheat middlings.
OBS Pellet Plus (Ocala Breeders Feed & Supply)
ExerciseExercise
FoalFoal
GrowthGrowth
LactationLactation
OBS Pellet Plus is a pelleted horse feed with added lysine for horses in training, broodmares, and growing horses. Pellet Plus contains vegetable oil as a source of energy and selenium yeast to support immune and reproductive function.
OBS Performance Blend (Ocala Breeders Feed & Supply)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
Competition HorsesCompetition Horses
Weight IssuesWeight Issues
OBS Performance Blend is a textured horse feed targeted to yearlings and horses in heavy training or that require improvement in condition. It provides a higher energy density and fat content to support weight management.
OBS Professional Blend (Ocala Breeders Supply)
Competition HorsesCompetition Horses
ExerciseExercise
FatFat
PerformancePerformance
OBS Professional Blend is a complete textured feed intended for high-performance horses. It is formulated with oats, corn and beet pulp and contains 10% fat.
OBS Racing Blend (Ocala Breeders Feed & Supply)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
OBS Racing Blend is a horse feed formulated for racehorses. Racing Blend provides a higher energy density to meet the needs of horses in heavy training. This feed contains beet pulp and steam-crimped oats.
OBS Sport Feed (Ocala Breeders’ Feed and Supply)
Amino AcidAmino Acid
Caloric EnergyCaloric Energy
ExerciseExercise
PerformancePerformance
OBS Sport Feed is a complete feed intended for performance horses. It is formulated with wheat middlings, soybean hulls and alfalfa meal. It contains 13% protein and 10% fat.
Oleo Special (Purina)
Complete FeedComplete Feed
DigestionDigestion
FatFat
HindgutHindgut
Purina Oleo Special is an oiled textured feed for pleasure or performance horse that are housed in boarding stables. It provides 7% fat with ~22% NSC.
Olsen’s All Stock Sweet Textured (Olsen’s Grain)
Easy KeeperEasy Keeper
GrainsGrains
NutrientsNutrients
NutritionNutrition
Olsen's All Stock Sweet Textured from Olsen's Grain is a textured sweet feed intended for horses and ponies at maintenance. This feed contains 12% protein, 2% fat, and 10% fiber.
Omega Advantage (ProElite)
FatFat
GrowthGrowth
Omega 3-6-9Omega 3-6-9
PerformancePerformance
ProElite Omega Advantage is an extruded horse supplement providing 24% fat with added flax. It is intended to provide extra calories and aid in weight gain.
OMG (Dove Performance Nutrition)
Mineral BalanceMineral Balance
NutrientsNutrients
Ration BalancerRation Balancer
VitaminsVitamins
OMG from Dove Performance Nutrition is a pelleted feed ration for horses. It contains vitamins, minerals, protein, fiber and fat.
Omolene 400 Complete Advantage RT (Purina)
DigestionDigestion
ExerciseExercise
Gut HealthGut Health
UlcersUlcers
Purina® Omolene® 400 Complete Advantage RT is a textured feed intended for performance horses. It is a calorie-dense blend of 8% fat, 16% fibre and grains.
Omolene 500 Competition (Purina)
Competition HorsesCompetition Horses
DigestionDigestion
EnergyEnergy
NutritionNutrition
Omolene #500® Competition is a textured feed intended for performance and endurance athletes and horses in heavy work. It provides a higher energy density with 8% fat.
Omolene Maternity 300 (Purina Canada)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Purina Omolene Maternity 300 is a textured horse feed intended for broodmares, nursing and growing foals. It provides higher amino acid content to support growth and development.
Omolene Senior Action (Purina)
ExerciseExercise
PerformancePerformance
Ration BalancerRation Balancer
SeniorSenior
Omolene Senior Action is a complete textured feed formulated for active senior horses. It provides 14% protein, which may support muscle tone in senior horses that are not receiving enough protein from their forage.
Omolene Sport Plus (Purina)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Purina Omolene Sport Plus is a textured complete feed intended for horses in heavy work including racehorses. It provides 8% fat from vegetable oils and contains beet pulp as a high pectin fibre source.
One’N Only (Wendlands)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
HealthHealth
NutritionNutrition
One'N Only by Wendlands is a total mixed ration formulated to replace traditional concentrates and supplements. It can also be fed as a hay extender to help meet forage needs.
Opti-GROW Foalstarter (Havens Horsefeed)
Caloric EnergyCaloric Energy
FoalFoal
GrowthGrowth
ProteinProtein
Opti-GROW Foalstarter by Havens Horsefeed is intended for foals up to 18 months of age. It contains 16% protein and include ingredients such as wheat, soybean meal, corn gluten feed, and whey powder.
Optima (Banks Mill Feeds)
Grain FreeGrain Free
Gut HealthGut Health
Metabolic SyndromeMetabolic Syndrome
Omega 3-6-9Omega 3-6-9
Optima-LA from Banks Mill is a low starch pelleted feed intended for horses at all life stages. It provides energy from soybeans, wheat middlings, alfalfa meal, beet pulp, dried molasses, flax, and vegetable oil.
Osceola 10 (Seminole)
Complete FeedComplete Feed
FlavorFlavor
Mineral BalanceMineral Balance
VitaminsVitamins
Seminole Osceola 10 is a textured feed with corn, oats, and molasses for mature pleasure horses with a high 48% NSC (sugar & starch) content. This feed contains yeast culture and antioxidants.
Osceola 12 (Seminole)
Complete FeedComplete Feed
FlavorFlavor
Mineral BalanceMineral Balance
VitaminsVitamins
Seminole Osceola 12™ is a textured grain-based feed with high NSC levels (44%) intended for mature pleasure horses. Energy sources include corn, oats, wheat, soybean meal and cane molasses.
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.
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.
Patriot 36 Ration Balancer (ADM Animal Nutrition)
Mineral BalanceMineral Balance
NutrientsNutrients
ProteinProtein
VitaminsVitamins
Patriot 36 Ration Balancer by ADM Animal Nutrition is a pelleted supplement that provides protein, vitamins, and minerals for all types of horses. It should be fed along with hay or pasture (forage) and any grain or concentrate feeds.
Patriot Feed Easy Complete (ADM Animal Nutrition)
Feed EfficiencyFeed Efficiency
FiberFiber
Gut HealthGut Health
PerformancePerformance
Patriot Feed Easy is a pelleted complete forage/feed mix designed to meet the nutritional needs of mature horses when forage supplies are low. It provides less than 20% NSC.
Patriot Mare & Foal Horse Feed (ADM Animal Nutrition)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Patriot Mare & Foal is a pelleted complete feed designed to meet the needs of gestating and lactating mares as well as foals from 0 to 18 months of age. Patriot Mare & Foal is palatable to encourage consumption.
Patriot Performance Horse Feed (ADM Animal Nutrition)
Complete FeedComplete Feed
EnergyEnergy
ExerciseExercise
PerformancePerformance
Patriot Performance is a pelleted complete feed that is formulated for mature performance horses and broodmares. It provides vegetable fat and digestible fibre sources and contains ~20% NSC.

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