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BD 299486 - Modified Todd Hewitt Broth with Selective Supplements, Dehydrated Culture Medium
The BD 299486 Modified Todd Hewitt Broth with selective supplements is a dehydrated culture medium formulated for the selective enrichment of Streptococcus species, particularly Group B Streptococcus (GBS), from clinical specimens. The modified formulation enhances recovery of target organisms while suppressing competing flora, supporting accurate microbiological identification and screening.
Manufactured to the quality standards of BD, this enrichment broth is engineered for dependable performance in clinical microbiology and public health laboratories.
Key Benefits
Selective enrichment supports improved detection of Group B Streptococcus from mixed specimens. Modified formulation enhances organism recovery while reducing background contamination. Dehydrated format allows flexible preparation according to laboratory workflow needs. Designed for consistent lot-to-lot performance and reliable microbiological results.
Compatibility and Applications
BD 299486 Modified Todd Hewitt Broth is compatible with standard laboratory media preparation systems, including autoclaves and sterile culture tubes. It is widely used in hospital microbiology laboratories, prenatal screening programs, public health facilities, and research institutions. Common applications include enrichment of Group B Streptococcus from vaginal and rectal swabs, as well as recovery of other beta-hemolytic streptococci.
Usage Guidelines
Prepare the medium according to manufacturer instructions by dissolving the specified amount of dehydrated powder in purified water. Sterilize as directed, typically by autoclaving under validated conditions. Dispense into sterile tubes and allow to cool. Inoculate specimens under aseptic conditions and incubate at the recommended temperature and duration. Subculture onto appropriate agar plates for confirmatory identification as required.
Certifications, Safety Standards, and Regulatory Approvals
BD culture media products are manufactured under regulated quality systems designed to ensure performance consistency and laboratory compliance. Quality control procedures are conducted to verify growth-promoting characteristics and selective performance, supporting use in clinical diagnostic environments.
Comparison with Competitor Products
Compared with non-selective enrichment broths, Modified Todd Hewitt Broth with selective supplements enhances recovery of target streptococcal species while inhibiting competing organisms. BD microbiology media are widely trusted for reproducibility, quality control validation, and dependable performance in diagnostic testing.
Typical User Profile and Application Scenarios
This product is commonly used by microbiologists, clinical laboratory scientists, and public health professionals conducting Group B Streptococcus screening and streptococcal isolation procedures. It is particularly valuable in prenatal screening programs and hospital-based diagnostic laboratories.
Best Practices for Use and Maintenance
Store the dehydrated medium in a cool, dry location protected from moisture. Prepare media using calibrated equipment and validated sterilization procedures. Perform routine quality control testing using known control strains to confirm performance. Dispose of used cultures according to biosafety and laboratory waste protocols.
Regulatory and Safety Information
While culture media are laboratory-use products rather than direct patient-use devices, they are manufactured under strict quality controls to support clinical laboratory standards. Proper handling, preparation, and disposal in accordance with institutional biosafety guidelines are essential to maintaining safety and regulatory compliance.
How to Order
Ordering the BD 299486 Modified Todd Hewitt Broth with Selective Supplements is straightforward. Add the product to your cart and proceed through the secure checkout process. For bulk laboratory purchasing or additional assistance, contact CIA Medical customer service at (312) 275-5850 or use the contact form available on this page.
