Table 2 Total viable counts of bacteria (cfu/cm2) from swab samples taken from the production facility at three feed producers (A–C) in 2016 and 2017
From: Microbiological quality of mink feed raw materials and feed production area
Feed producer (year) | Sampling location | Total viable bacteria (cfu/cm2) |
|---|---|---|
A (2016) | Mixer 629 | 5.5 × 105 |
Auger 626 | 4.6 × 104 | |
Conveyor belt 620 | 4.6 × 108 | |
Conveyor belt 810 | 1.5 × 105 | |
Final product silo | 1.7 × 109 | |
A (2017) | Final product silo | 1.5 × 103 |
Conveyor belt to homogenizer | 4.5 × 102 | |
Floor in room 1 | 2.7 × 106 | |
Mincer | < 100 | |
Chain conveyer | < 100 | |
B (2016) | Homogenizer | 5.0 × 108 |
Conveyor belt to chopper | 3.5 × 107 | |
Mixer 1 | 1.5 × 109 | |
Distribution auger | 1.8 × 109 | |
Conveyor belt to silo | 1.2 × 105 | |
B (2017) | Final product silo 701 | 9.0 × 102 |
Final product silo 711 | 2.8 × 104 | |
Conveyor belt 810 | 1.9 × 104 | |
Conveyor belt 620 | 6.0 × 104 | |
Distribution auger 626 | 5.0 × 102 | |
C (2016) | Auger 391 | 1.3 × 103 |
Auger 412 | 2.3 × 103 | |
Auger 410 | < 100 | |
Auger 436 | 4.0 × 107 | |
Mixer 421 | 6.0 × 102 | |
C (2017) | Auger 410 | 2.9 × 103 |
Auger 391 | 1.0 × 102 | |
Conveyor belt | 1.8 × 105 | |
Auger 412 | 2.0 × 102 | |
Auger 422 | 7.2 × 102 |