Growth Promotion Testing Requirements for R2A Agar (BBL/Difco Manual)
| Organism | ATCC No. | Inoculum CFU | Recovery |
|---|---|---|---|
| Enterococcus faecalis | 29212 | 30–300 | Good |
| Escherichia coli | 25922 | 30–300 | Good |
| Pseudomonas aeruginosa | 27853 | 30–300 | Good |
| Staphylococcus aureus | 25923 | 30–300 | Good |
Abbreviations: ATCC, American Type Culture Collection; CFU, colony-forming units.