Difco Brain Heart Infusion, without dextrose, is an animal origin (AO) enzymatic digest of bovine and porcine animal proteins. Difco Brain Heart Infusion, without dextrose, is a microbiological culture medium used for cultivating fastidious microorganisms, including streptococci, pneumococci, and meningococci.

Features:
• Widely used in various microbiological studies

Applications of Difco Brain Heart Infusion, without dextrose, include:
• For food testing and the verification of fecal streptococci
• As a medium for use in the preparation of microdilution trays for antimicrobial susceptibility testing by the broth microdilution procedure
• Recommended for the growth of most ATCC strains of Pasteurella multocida; it has been cited in many studies on P. multocida fowl cholera vaccines