Siwa Bioworks
EN/ES
Animal health & nutrition

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.

The UORA® product line

Four spore-forming Bacillus spp. probiotics

Each UORA product is built on Bacillus strains with a defined functional role. Find the one that fits your production challenge.

01

UORA Synergy®

B. amyloliquefaciens + B. subtilis + B. licheniformis

Three strains. One system. Maximum performance.

Three Bacillus strains in a single product, each with a specific role. B. amyloliquefaciens boosts short-chain fatty acid production; B. subtilis produces enzymes and antimicrobial compounds; B. licheniformis strengthens the intestinal wall and fiber fermentation. Working together, they create effects no single strain can produce on its own — complete coverage for the entire cycle in a single SKU.

Product focus

Complete coverage in a single product.

02

UORA Perform®

Bacillus subtilis

More kilos from every kilo of feed.

Bacillus subtilis produces its own digestive enzymes — proteases, amylases, and lipases — that break down feed more effectively, so the animal extracts more energy and amino acids from the same diet. At the same time, it generates natural antimicrobial compounds that reduce E. coli and Clostridium pressure before they cause losses. The result: better feed conversion, without changing the formulation.

Product focus

Digestive efficiency and feed conversion.

03

UORA Defense®

Bacillus licheniformis

A healthy intestinal barrier is the first antibiotic.

The intestinal wall acts as a barrier: it lets nutrients pass into the bloodstream and blocks bacteria and toxins. When that barrier is damaged — by heat stress, vaccinations, or enteric challenges — the animal gets sick, produces less, and converts feed less efficiently. UORA Defense strengthens that barrier and enriches the butyrate-producing bacteria that supply the main fuel for intestinal cells.

Product focus

Intestinal integrity and enteric control.

04

UORA Equilibra®

Bacillus amyloliquefaciens

Bacillus amyloliquefaciens reinforces the intestinal barrier, modulates immunity, and reduces digestive disorders.

Product focus

Microbiota balance and immunity.

What we deliver

What our probiotics deliver

01

Gastrointestinal health

Strains selected to reinforce the intestinal barrier, modulate the gut microbiota, and support efficient digestion across production species.

02

Productive efficiency

Enhanced nutrient bioavailability and feed conversion translate into measurable gains in growth rate, performance, and lot consistency.

03

Resilience to pathogens

Competitive exclusion and immune modulation help animals withstand enteric bacterial challenge under commercial production conditions.

04

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.

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