Siwa Probiotics
Bacillus spp. probiotics for animal health and nutrition that support gastrointestinal health, productive efficiency, and resilience to pathogen challenge in poultry, swine, and shrimp.
Bacillus spp. probiotics, engineered for real production
We discover, develop, and commercialize Bacillus spp. probiotics for animal health and nutrition. Our spore-forming strains are currently developed and produced for poultry, swine, and shrimp, improving gastrointestinal health, productive efficiency, resilience to enteric pathogens, and overall animal performance while reducing the industry's reliance on antibiotics.
What we deliver
What our probiotics deliver
Gastrointestinal health
Strains selected to reinforce the intestinal barrier, modulate the gut microbiota, and support efficient digestion across production species.
Productive efficiency
Enhanced nutrient bioavailability and feed conversion translate into measurable gains in growth rate, performance, and lot consistency.
Resilience to pathogens
Competitive exclusion and immune modulation help animals withstand enteric bacterial challenge under commercial production conditions.
Reduced antibiotic use
Bacillus spp. probiotics help the industry lower its dependence on antibiotics while sustaining animal performance.
Species we serve
Targeted probiotic solutions for species critical to the global food supply.
Poultry
Strains that support intestinal integrity, flock uniformity, and resilience throughout the production cycle.
Swine
Solutions that promote digestive balance and efficient growth from weaning through finishing.
Shrimp
Aquaculture probiotics that reinforce gut health and resilience in demanding production systems.
The UORA product line
Spore-forming Bacillus spp. probiotics
Each UORA product is built on Bacillus strains with a defined functional role. Explore the line and the mechanisms through which each strain acts across the production cycle.
UORA Synergy®
B. subtilis + B. amyloliquefaciens + B. licheniformis
The integrated solution: maximal efficiency, reduced pathogen pressure, and a stable microbiota.
Combines enzymatic nutrient release by B. subtilis, enteric pathogen control and microbiota stabilization by B. licheniformis, and immune stimulation by B. amyloliquefaciens. Together these strains optimize feed conversion, reduce the incidence of digestive disorders, and support lot uniformity.
Key mechanismEnzymatic nutrient release, pathogen control, and intestinal barrier integrity.
UORA Perform®
B. subtilis
Digestive efficiency and sustained productivity.
Secretes amylases and other polysaccharide-degrading enzymes that release nutrients from the feed matrix, improving feed conversion and sustained performance throughout the production cycle.
Key mechanismEnzyme-mediated nutrient release.
UORA Defense®
B. licheniformis
Broad-spectrum enteric protection.
Produces antimicrobial peptides and acts via competitive exclusion against E. coli, Salmonella, and Clostridium, reducing pathogen pressure and reinforcing the integrity of the intestinal barrier.
Key mechanismAntimicrobial peptide production and competitive exclusion.
Build healthier, more efficient production systems
Partner with Siwa Bioworks to integrate Bacillus spp. probiotics into your animal nutrition and production programs.
Get in touch