Defibrinated sheep blood is ideal for blood agar plate preparations. Blood Agar is a general purpose enriched medium often used to grow fastidious organisms and to differentiate bacteria based on their hemolytic properties.

Typically used as a dye mark for veterinary vaccines.

Tryptic Soy Broth is recommended for the general cultivation of a wide variety of microorganisms. Tryptic soy broth conforms to the formula specified in the US Pharmacopoeia, USP. Northeast Laboratory Services offers a wide range of Tryptic Soy Broth available in both tubes and bottles.