| Aspergillus species isolated |
| % |
| A. flavus L-strain | 82 | 40.2 |
| A. flavus S-strain | 92 | 45.1 |
| A. parasiticus | 19 | 9.3 |
| A. niger | 6 | 2.9 |
| A. tamarii | 2 | 1.0 |
| Negative for Aspergillus species | 3 | 1.5 |