| 1 |
Enzymes |
Phytase, xylanase, beta-glucanase, protease |
Break down phytate, non-starch polysaccharides, or proteins that birds cannot efficiently digest. |
Approximately 50–1,000 g/metric ton |
Can improve nutrient availability, support feed efficiency, and reduce phosphorus or nitrogen excretion when diets are properly formulated. |
Activity is usually expressed in enzyme units rather than weight alone. Confirm heat stability, matrix values, and compatibility with pelleting conditions. |
| 2 |
Probiotics |
Lactic acid bacteria, Bacillus species, yeast-based cultures |
Supply beneficial microorganisms that help support intestinal microbial balance. |
Product-specific; commonly 106–109 CFU/kg |
May support gut health, digestive function, litter quality, and resilience during production stress. |
Evaluate strain identity, viable count at the end of shelf life, storage stability, and evidence under commercial broiler conditions. |
| 3 |
Prebiotics |
Mannan-oligosaccharides, fructo-oligosaccharides, inulin |
Provide fermentable substrates that selectively support beneficial gut microorganisms. |
Approximately 0.1–2.0 kg/metric ton |
Can help promote favorable intestinal fermentation and support gut barrier function and immune response. |
Performance depends on fiber content, diet composition, bird age, and the specific oligosaccharide structure. |
| 4 |
Organic Acids and Acidifiers |
Formic, propionic, lactic, fumaric, citric acids; buffered blends |
Lower feed or crop pH and create conditions that can limit the growth of some undesirable microorganisms. |
Approximately 0.5–5.0 kg/metric ton |
May support feed hygiene, digestive conditions, and microbial control in feed and drinking-water programs. |
Check acid concentration, buffering, corrosion potential, worker safety, and whether the product is intended for feed or water application. |
| 5 |
Phytogenic Feed Additives |
Essential oils, herbs, spices, plant extracts |
Provide plant-derived compounds with potential effects on digestion, antioxidant status, appetite, or microbial balance. |
Approximately 50–500 g/metric ton |
May complement gut-health programs and support feed intake or digestive performance, depending on the active compounds. |
Standardization is important because botanical composition can vary by plant source, harvest, extraction method, and storage. |
| 6 |
Mycotoxin Binders and Inactivators |
Bentonite, aluminosilicates, yeast cell-wall fractions, enzymatic or microbial detoxification products |
Bind or biologically transform selected mycotoxins in contaminated feed. |
Approximately 0.5–3.0 kg/metric ton |
Can help reduce the production risks associated with contaminated grains, including impaired growth, immune stress, and poor feed conversion. |
No single product controls every mycotoxin. Request validated efficacy data for aflatoxin, deoxynivalenol, zearalenone, fumonisins, or other relevant toxins. |
| 7 |
Antioxidants |
Vitamin E, selenium, tocopherols, butylated hydroxytoluene, ethoxyquin alternatives |
Protect feed lipids and biological tissues from oxidative damage. |
Approximately 50–500 g/metric ton for many feed-protection products |
Helps preserve feed quality, maintain the stability of fats and vitamins, and support bird performance during heat or storage stress. |
Distinguish between feed preservatives and nutritional antioxidants. Verify permitted substances, maximum levels, and regional residue requirements. |
| 8 |
Mineral and Trace-Element Additives |
Zinc, copper, manganese, selenium, calcium, phosphorus sources |
Supply minerals required for skeletal development, enzyme activity, immunity, and tissue formation. |
Set by nutrient requirement; commonly 10–200 mg/kg for individual trace elements |
Supports bone strength, growth, immune function, antioxidant defense, and overall flock development. |
Consider source bioavailability, organic versus inorganic forms, interactions with phytate, total dietary contribution, and manure-mineral regulations. |
| 9 |
Vitamin Premixes |
Vitamins A, D3, E, K, B-complex vitamins, choline |
Correct or prevent vitamin deficiencies and support metabolism, immunity, growth, and reproduction. |
Approximately 0.25–2.5 kg/metric ton of complete feed |
Helps maintain consistent broiler performance when feed ingredients, storage conditions, or bird stress increase vitamin requirements. |
Formulation must account for vitamin losses during storage and pelleting. Check potency, uniformity, shelf life, and compatibility with minerals. |
| 10 |
Coccidiostats and Gut-Health Control Additives |
Ionophore and non-ionophore anticoccidial substances; vaccines are managed separately from feed additives |
Help control coccidiosis, a parasitic disease that can damage the intestinal tract of broilers. |
Usually regulated in mg/kg or g/metric ton; follow the approved label dose |
Supports intestinal integrity, growth performance, and feed efficiency where coccidiosis prevention is part of the flock health program. |
Use only approved products and label directions. Observe withdrawal periods, rotation or shuttle programs, resistance-management plans, and export-market requirements. |