Table 2. Staphylococcus aureus biotypes as published by Devriese in 1984 [2].
| Biotype* | Staphylokinase | β-haemolysin | Bovine plasma coagulation | Crystal violet growth type |
| Host-specific ecovars | ||||
| Human ecovar | + | − | − | C |
| Human ecovar β + | + | + | − | C |
| Poultry ecovar | − | − | − | A |
| Bovine ecovar | − | + | + | A |
| Ovine ecovar | − | + | + | C |
| Non-host-specific (NHS) biotypes ** | ||||
| K− β+ CV:A | − | + | − | A |
| K+ β− CV:A | + | − | − | A |
| K+ β+ CV:A | + | + | − | A |
| K− β− CV:C | − | − | − | C |
| K− β+ CV:C | − | + | − | C |
* Abbreviations derived from staphylokinase (K), β-haemolysin (β) and crystal violet growth type (CV).
** NHS-biotypes correspondence in this study: K− β+ CV:A (biotype A), K+ β− CV:A (biotype B), K+ β+ CV:A (biotype C), K− β− CV:C (biotype D) and K− β+ CV:C (biotype E).