| Food sample | Lactococcus lactis | Lactobacillus brevis | Lactobacillus fermentum | Lactobacillus casei | Lactobacillus plantarum |
| Yoghurt Ogi Ogiri Ugba | − − + + | + + − − | + − + − | + + + − | + + + + |
| Total | 4 | 4 | 4 | 4 | 4 |
| Number of positive | 2 | 2 | 2 | 3 | 2 |
| % Occurrence | 50% | 50% | 50% | 75% | 100% |