What is Bacillus subtilis used for in animal nutrition?
Bacillus subtilis is used as a feed probiotic or direct-fed microbial in programs focused on digestive ecosystem support, feed-transition support, gut-environment management, performance consistency, and microbial balance during changes in feed, environment, or production phase. It should be used according to the target species, strain, viable count, inclusion rate, product form, and applicable market rules.
Why is strain identification important?
Probiotic effects are strain-specific. A product should identify the organism at genus, species, and strain level when available, and buyers should request strain documentation, viable count, safety review, stability data, and supporting performance information for the intended species and application.
What does CFU mean?
CFU means colony-forming units. It is used to express viable microbial count, commonly shown as CFU per gram, CFU per kilogram, or total CFU per dose. Buyers should confirm whether the declared count is at manufacture, at shipment, or guaranteed through shelf-life.
Can Bacillus subtilis survive pelleting?
Bacillus subtilis forms spores, which can improve stability compared with many non-spore-forming probiotics. However, pelleting survival depends on strain, spore quality, carrier, coating, conditioning temperature, steam exposure, residence time, moisture, and storage. Buyers should request product-specific pelleting recovery data.
Can Bacillus subtilis be used in poultry feed?
Yes. It may be evaluated in broiler, layer, breeder, and turkey feeds where digestive stability, feed conversion, litter quality, and production consistency are formulation topics. Suitability depends on strain, dosage, feed process, and local regulations.
Can Bacillus subtilis be used in swine feed?
Yes. It may be reviewed in creep, starter, nursery, grower-finisher, gilt, sow, and boar diets, especially during feed transitions, weaning, stress periods, or programs focused on digestive support and manure consistency.
Can Bacillus subtilis be used in aquaculture feed?
Yes. It may be evaluated in fish and shrimp feeds where gut-environment support, feed conversion, survival, and stress-period nutrition are important. Aquafeed use should review extrusion survival, post-pellet application, water stability, feed size, and storage conditions.
Can Bacillus subtilis be used with enzymes or organic acids?
Often yes, but compatibility should be confirmed. Organic acids, enzymes, minerals, choline chloride, medications, coccidiostats, moisture, and premix storage can affect probiotic viability. Buyers should request compatibility data for their actual formula.
Is a higher CFU product always better?
Not always. Higher CFU can reduce inclusion rate, but strain quality, stability, pelleting survival, safety documentation, target-species support, carrier, and cost per delivered CFU must also be considered.
What is the most important quality parameter?
Viable count and strain identity are critical. Buyers should also review CFU guarantee basis, spore count, pelleting recovery, shelf-life, carrier, moisture, particle size, contaminant testing, antibiotic-resistance review, and product-specific safety documents.
What documents should buyers request?
Common documents include product specification, certificate of analysis, strain identification, viable count method, safety data sheet, origin declaration, batch details, manufacturing date, expiry or retest date, pathogen absence declarations, antibiotic-resistance review where required, stability data, and market-specific certificates required by the buyer.
How should Bacillus subtilis be stored?
Store according to supplier instructions, generally in a cool, dry, well-ventilated warehouse. Keep packages sealed, protect from moisture, heat, humidity, and direct sunlight, avoid incompatible materials, and use first-in, first-out stock rotation.
Can Atlas Feed Additives support recurring supply?
Yes. Atlas Feed Additives can review recurring monthly demand, supplier availability, CFU specification, packaging needs, shipment planning, documentation requirements, and distributor support for regular Bacillus subtilis supply programs.
Can Atlas Feed Additives quote Bacillus subtilis?
Yes. Send your required strain or specification, viable count, target species, application objective, quantity, destination, packaging preference, delivery terms, and required documents so Atlas Feed Additives can review suitable supplier options for Bacillus subtilis and prepare a quotation.