Growth Promotion Testing Requirements Standard Methods Agar (Plate Count Agar) (BBL/Difco Manual)
| Organism | ATCC No. | Inoculum CFU | Recovery |
|---|---|---|---|
| Bacillus subtilis | 6633 | 30–300 | Good |
| Bacillus stearothermophilus | 7953 | 30–300 | Good |
| Enterococcus hirae | 10541 | 30–300 | Good |
| Escherichia coli | 25922 | 30–300 | Good |
| Lactobacillus rhamnosus | 7469 | 30–300 | Good |
| Lactobacillus delbrueckii subsp. lactis | 122315 | 30–300 | Good |
Abbreviations: ATCC, American Type Culture Collection; CFU, colony-forming units.