Table 1.
Isolation of A. butzleri from different sampling sites in one artisanal cheese factory
Sample location or type | No. of samples analyzed | No. of samples positive for Arcobacter butzleri | % of samples that were positive |
---|---|---|---|
Surfaces in contact with product | |||
Bulk tank valve | 4 | 4 | |
Milk pump | 4 | 3 | |
Cheese vat | 4 | 3 | |
Drainage table | 4 | 2 | |
Mozzarella cheese molding roller | 4 | 4 | |
Curd cutter | 4 | ||
Subtotal | 24 | 16 | 66.6 |
Surfaces not in contact with product | |||
Floor drains | 4 | 4 | |
Cooler room floor | 4 | 2 | |
Subtotal | 8 | 6 | 75 |
Water | |||
Tap water | 12 | 0 | |
Subtotal | 12 | 0 | |
Food samples | |||
Raw cow milk | 3 | 3 | |
Raw WB milk | 3 | 3 | |
Ricotta cheese | 3 | 1 | |
WB mozzarella cheese | 3 | 0 | |
Mozzarella cheese conditioning liquid | 3 | 0 | |
Subtotal | 15 | 7 | 46.6 |
Total | 59 | 29 | 49.5 |