What Animal Is The Trace Element Manganese Suitable For?

Manganese is suitable for virtually all farmed animals, including broilers, laying hens, breeding poultry, pigs, cattle, sheep and goats, fish and shrimp, horses, and dogs and cats. Breeding poultry, laying hens, breeding sows and high-yielding ruminants are the most sensitive to manganese.

Although manganese is added to feed at only a few dozen milligrams per kilogram, it directly affects skeletal development, reproductive performance and antioxidant capacity in livestock, poultry, aquatic animals and pets. Nearly all farmed animals need manganese, whether poultry, pigs, cattle, sheep and goats, fish and shrimp or pets, but requirements and the efficiency with which different species use different manganese sources vary widely. Starting from the basic concept of manganese, this article describes its main functions, the common manganese sources and their characteristics, and the requirements of different animals, and offers sourcing advice for purchasing staff at feed mills, premix plants and farming enterprises.

• Primary Functions: skeletal and cartilage development, antioxidant defense, carbohydrate, lipid and protein metabolism, reproductive performance and eggshell quality.

• Mainstream Manganese Sources: manganese sulfate monohydrate (approximately 31%–32% Mn), manganese sulfate tetrahydrate (approximately 24%–25% Mn), manganese oxide, manganese carbonate and organic sources such as manganese amino acid chelate.

• Purchasing Priorities: manganese content, heavy metal limits, solubility and bioavailability, particle size and flowability, qualification documents and batch-specific COAs.

• Supply Channel: Polifar is a professional feed additive supplier that offers manganese sources such as manganese sulfate and manganese oxide, together with other feed additives, food additives, veterinary drugs and premixes, providing buyers with a one-stop sourcing service.

1. What Is Manganese?

Manganese is one of the essential trace minerals for animals and is commonly classified in the feed industry as a trace mineral additive or mineral feed additive. Along with iron, copper, zinc, selenium, iodine and cobalt, it is one of the trace minerals routinely used in premixes. The animal body contains only small amounts of manganese, distributed mainly in bone, liver, kidney and pancreas, yet it is a component or activator of many enzymes; without it, growth, skeletal development and reproduction all suffer.

Natural feed ingredients such as maize (corn) and soybean meal contain some manganese, but levels fluctuate widely and, because of interference from phytate, calcium, phosphorus and iron, only a small proportion is actually absorbed. In modern large-scale production, manganese must therefore be supplied through premixes or compound trace mineral premixes to maintain nutritional balance in the diet.

2. The Main Functions of Manganese in Animals

2.1 Bone and Cartilage Formation

Manganese is a cofactor for glycosyltransferases, enzymes involved in the synthesis of proteoglycans such as chondroitin sulfate in the cartilage matrix. When manganese is deficient, bone and cartilage develop abnormally, classically manifested in poultry as perosis (slipped tendon), leg deformity and lameness.

2.2 Antioxidant Defense

Manganese is a core component of mitochondrial manganese superoxide dismutase (MnSOD), which scavenges the superoxide radicals produced during metabolism, protects cell membranes and mitochondria, and helps relieve heat stress and oxidative stress.

2.3 Carbohydrate, Lipid and Protein Metabolism

Manganese is an essential component of, or is associated with the activity of, several enzymes including arginase, and it participates in carbohydrate, lipid and protein metabolism. It is also involved in regulating the activity of certain metal-ion-dependent enzymes and supports normal energy metabolism and nutrient utilization.

2.4 Reproductive Performance

Manganese is involved in sex hormone synthesis and embryonic development. Deficiency causes irregular estrus, lower conception rates, abortion and weak offspring in breeding females, and reduced laying rates and hatchability in breeding poultry.

2.5 Eggshell Quality

Manganese participates in the regulation of several enzymes and plays an important role in the normal reproductive physiology of laying hens and in the metabolic processes related to eggshell formation. Prolonged manganese deficiency in the diet may affect laying performance, eggshell thickness and hatchability, so manganese nutrition deserves particular attention in breeding poultry and birds in lay.

2.6 Other Functions

Manganese is also involved in physiological processes such as blood coagulation, immune function and nervous system development, and it is one of the basic elements for maintaining overall animal health.

3. Common Feed Manganese Sources and Their Characteristics

Manganese sources used in feed fall broadly into two groups: inorganic and organic. When selecting a source, consider not only manganese content but also solubility, bioavailability, stability, heavy metal content and cost.

Note: the manganese content of commercial feed-grade products should always be confirmed against the product specification and the batch certificate of analysis. Relative bioavailability varies considerably between studies and depends on animal species and diet composition; source selection should be based on formulation trials or the supplier's technical data. The table above is indicative only.

3.1 Manganese Sulfate Monohydrate VS Tetrahydrate: Which to Choose?

Both are highly water-soluble manganese sulfate sources and differ mainly in manganese content and the number of water molecules of crystallization: the monohydrate has the higher manganese content and the tetrahydrate the lower. They should be compared on cost per kilogram of available manganese rather than on price per kilogram of product.

The figures above are general ranges; always refer to the product specification and the COA for each batch. As a supplier of both manganese sulfate monohydrate and manganese sulfate tetrahydrate, Polifar can discuss manganese content specifications, particle size and packaging with buyers and recommend suitable specifications based on premix formulas.

4. Which Manganese Source Suits Which Animals, and Which Is Easiest to Absorb?

4.1 Best Overall Value: Manganese Sulfate

Manganese sulfate has high solubility, stable utilization and a moderate price. It is currently the most widely used manganese source in poultry, pig and ruminant diets and serves as the reference for evaluating the relative bioavailability of other manganese sources. For most commercial feeds, manganese sulfate is a safe and reliable baseline choice.

4.2 Breeding and High-Yielding Animals: Organic Manganese Has the Edge

Breeding hens, breeding ducks, laying hens, sows and high-yielding dairy cows have higher manganese requirements, and their diets often contain substantial calcium, phosphorus and phytate, which reduce the absorption of inorganic manganese. Organic sources such as manganese amino acid chelate generally perform better in these situations, helping to improve eggshell quality, hatchability and reproductive results, and allowing inclusion rates to be reduced without any loss of effect.

Some clarification is needed here: organic manganese (such as manganese amino acid chelate and manganese chelate of the hydroxy analogue of methionine) has shown good bioavailability potential in some animal nutrition studies. Its absorption efficiency depends on the chelate structure, product quality, animal species and diet composition. Verified organic manganese products may therefore be considered in high-phytate diets, at specific reproductive stages, or in formulas where trace mineral efficiency is critical. Purchasing decisions should be based on actual trial data, inclusion cost and production performance.

4.3 Ruminants: Consider the Rumen Environment

Sulfur, molybdenum, high calcium and high iron in the rumen form complexes with manganese that are poorly absorbed, and ruminants are inherently inefficient at absorbing manganese. Cattle and sheep diets therefore usually rely on manganese sulfate, with organic manganese added for high-yielding herds or animals under stress or with reproductive difficulties.

4.4 Aquatic Animals: Solubility and Stability

The manganese requirements of aquatic animals vary with species (fish, shrimp and crabs) and growth stage. Fish and shrimp absorb minerals partly from minerals dissolved in the water and partly through the intestine. When selecting a manganese source, consider not only manganese content and bioavailability but also feed stability in water, mineral leaching losses and nutrient retention during processing. For crustaceans such as shrimp and crabs, mineral nutrition should also take account of molting, growth stage and the conditions of the culture water.

4.5 Cost-Driven Fattening Livestock and Poultry: Manganese Oxide as a Supplement

For growing and finishing animals on well-balanced diets, part of the manganese may be supplied as manganese oxide or in combination with manganese sulfate to control formula cost, provided that product quality and heavy metal compliance are assured.

5. Benefits of Using Manganese in Animal Feed

• Lower Incidence of Skeletal Disorders and Leg Problems: reduces perosis in poultry and skeletal deformities in pigs, cattle and sheep, improving survival rates and uniformity at market weight.

• Better Eggshell Quality and Higher Hatchability: particularly important for laying hens and breeding poultry; reduces cracked eggs and dead embryos.

• Improved Reproductive Performance: improves estrus and conception in breeding females and reduces abortions and the proportion of weak offspring.

• Stronger Antioxidant Capacity and Stress Resistance: through enzyme systems such as MnSOD, alleviates heat stress and metabolic stress.

• Better Growth and Feed Conversion: supports smooth carbohydrate, lipid and protein metabolism and helps improve weight gain and feed conversion ratio.

• Better Returns from Farming: a small inclusion cost reduces losses caused by disease and culling.

6. Manganese Requirements of Different Animals

Manganese requirements differ between species and between physiological stages. Because farming conditions and animal breeds vary from country to country, this table does not give recommended intake levels; please contact Polifar for professional advice if required. Actual formulas should follow the feeding standards and regulations of the target country or region (e.g., NRC, Chinese feeding standards, FEDIAF, AAFCO) and should take account of the baseline manganese content of raw materials and of antagonistic factors.

6.1 Risk of Deficiency and Excess

Deficiency: common signs include slow growth, short and thick bones, enlarged joints, perosis in poultry, thinner eggshells, reduced hatchability, and irregular estrus or weak offspring in breeding females.

Excess: manganese has a relatively wide safety margin, but over-supplementation can disturb mineral balance, reduce feed intake and growth, and increase the environmental burden of excretion. Countries set maximum permitted manganese levels in feed; for example, EU regulations limit total manganese in complete feed containing 12% moisture to 100 mg/kg for fish and to 150 mg/kg for other animals. Formulas should account for both baseline manganese in raw materials and added manganese, and buyers and formulators should always check the latest regulations of the target market.

6.2 Factors Affecting Manganese Absorption

• Excessive Calcium and Phosphorus in the Diet: these readily form insoluble salts with manganese and reduce absorption.

• Phytate: phytate in plant ingredients chelates manganese.

• Competition from Minerals Such as Iron: iron and manganese compete along the intestinal absorption pathway.

• The Manganese Source Itself: sources differ in solubility and structure, and therefore in absorption rate.

• Animal Status: disease, stress, young age or high production change both requirements and absorption.

7. What Should Buyers Look For?

For feed mills, premix plants and farming groups, manganese source procurement should not be a simple comparison of prices; what matters is the cost per unit of available manganese, together with product consistency and compliance.

Key points include manganese content and quality indicators; heavy metals and harmful substances; manganese source type and suitability; physical properties; solubility and bioavailability data; qualification and compliance; stability and compatibility; packaging, logistics and traceability; and technical service capability.

7.1 Procurement Summary: How Polifar Supports Your Purchasing Needs

Polifar is a supplier specializing in feed additives, food additives, veterinary drugs and premixes, serving feed mills, premix plants, farming enterprises and traders. For manganese sourcing, Polifar can provide:

• Multiple Manganese Sulfate Specifications: manganese sulfate monohydrate and manganese sulfate tetrahydrate, available for discussion in terms of manganese content, particle size and packaging.

• One-Stop Complementary Procurement: alongside manganese sources, other feed additives, trace minerals and premixes can be included in the same order, reducing the cost of coordinating multiple suppliers.

• Quality and Compliance Documentation: COAs, SDSs and relevant qualification documents are available on request to support your compliance review in the target market.

• Formulation and Application Support: assistance in selecting the manganese source type and inclusion strategy for the target animal and diet.

When requesting a quotation, please provide: the target animal and growth stage; the manganese source type and manganese content requirement; the estimated annual volume; packaging requirements; the destination country or port; and compliance requirements, so that a suitable solution and quotation can be prepared quickly.

FAQ

Q1: What is the difference between manganese sulfate and manganese oxide?

A1: Manganese sulfate is highly water-soluble, highly bioavailable and consistent in quality, and is the most widely used source. Manganese oxide has a high manganese content and a lower price, but poor solubility and generally lower availability, with wide variation between products. The choice should take account of cost, animal species and formula conditions.

Q2: Is organic manganese (manganese amino acid chelate) always better than inorganic manganese?

A2: Not necessarily. Organic manganese often has advantages in high-calcium, high-phosphorus or high-phytate diets and in demanding situations such as breeding and high production; it also allows lower inclusion rates and reduced excretion, but it costs more. Whether it is worth using depends on production targets and cost-effectiveness.

Q3: In what form is manganese usually added to feed?

A3: It is first incorporated into a premix (such as a compound trace mineral premix or a vitamin-mineral premix), which is then blended with other ingredients to make compound feed, so that the trace mineral is evenly distributed.

Q4: Which is more suitable for feed, manganese sulfate monohydrate or tetrahydrate?

A4: Both can be used in feed and both are highly water-soluble manganese sources. Manganese sulfate monohydrate has the higher manganese content (approximately 31%–32%), so less product is needed per kilogram of available manganese and it is more widely used; manganese sulfate tetrahydrate contains approximately 24%–25% manganese, so inclusion rates must be calculated on manganese content. Selection should be based on the cost per kilogram of available manganese, premix processing and the standards of the target market.

Q5: Which manganese sources and purchasing services does Polifar offer?

A5: Polifar is a feed additive supplier offering manganese sources such as manganese sulfate monohydrate and manganese sulfate tetrahydrate, together with other feed additives, food additives, veterinary drugs and premixes for one-stop procurement. Please provide the target animal, specification requirements, annual volume and destination when requesting a quotation so that a suitable solution can be prepared.

Industry Outlook and Trends

As large-scale and intensive production expands, the feed industry faces increasingly stringent requirements for precision nutrition, reduced antibiotic use and lower environmental emissions, and trace mineral additives are developing toward greater efficiency and safety.

• Growth of Organic Trace Minerals and Chelated Minerals: organic minerals such as manganese amino acid chelate, with their high absorption and utilization and lower inclusion rates, continue to expand in breeding poultry, sow, high-yielding dairy, aquafeed and pet food applications.

• Precision Nutrition and Reduced Inclusion Rates: lowering trace mineral inclusion while maintaining performance and reducing manure output is a key direction for the global feed industry.

• Stricter Regulation and Quality Requirements: tightening limits on heavy metals, maximum inclusion levels and traceability are helping high-quality, compliant manganese products to gain a larger market share.

• Rising Demand for Customized Premixes: feed mills and farming groups increasingly prefer one-stop suppliers able to provide formulation support, customized premixes and technical service.

• Potential in the Pet and Aquatic Markets: the premiumization of pet food and the growth of intensive aquaculture are creating new incremental demand for trace mineral additives.

Conclusion

Manganese is an essential trace mineral for animals and plays an important role in skeletal development, antioxidant defense, energy metabolism, reproduction and eggshell quality. Poultry, pigs, cattle, sheep and goats, aquatic species and pets all need appropriate manganese supplementation, but requirements and the suitability of different manganese sources vary between species and physiological stages. Manganese sulfate is the most widely used and cost-effective basic source; manganese oxide suits cost-sensitive situations with good dietary conditions; and organic manganese such as manganese amino acid chelate is better suited to breeding animals, high-yielding animals and formulas that demand high absorption efficiency.

For buyers, manganese source selection should weigh manganese content, heavy metal limits, solubility and bioavailability, physical properties, qualification and compliance and technical service, not price alone. Only a supplier with consistent quality, complete documentation and technical support can turn every unit of manganese into real production value.

If you are looking for manganese sulfate monohydrate, manganese sulfate tetrahydrate, or customized compound trace mineral premixes and vitamin-mineral premixes, please contact Polifar for product specifications, sample COAs and formulation advice. As a one-stop supplier of feed additives, food additives, veterinary drugs and premixes, Polifar can simplify your procurement and reduce the cost of managing multiple suppliers.

References

Relative Bioavailability of Trace Minerals in Production Animal Nutrition: A Review

Merck Veterinary Manual – Mineral Deficiencies in Poultry

EFSA – Manganese Chelate of Amino Acids Hydrate

EU Regulation 2017/1490

The Effect of Manganese Deficiency upon the Ultrastructure of the Eggshell