| Variables | Yeast and mold count |
| Production system (n = 40) | *** |
| Pastoral | 2.56 ± 0.11a |
| Agro-pastoral | 1.86 ± 0.11b |
| Milk sources (n = 40) | *** |
| Milk equipment | 2.65 ± 0.12a |
| Udder | 1.71± 0.12b |
| Production system * milk sources | ** |
| Pastoral * milk equipment | 2.96 ± 0.14a |
| Agro-pastoral * milk equipment | 2.18 ± 0.14b |
| Pastoral * udder | 1.96 ± 0.14bc |
| Agro-pastoral * udder | 1.64 ± 0.14c |
| Overall mean | 2.18 ± 0.13 |