TABLE 1.
Contamination levels of Listeria monocytogenes in ready-to-eat foods and pasteurized milk.
Samples | 0.3 ≤ MPN < 10 | 10 ≤ MPN < 110 | ≥110 | Contamination rate |
Cold vegetable | 8 | 1 | 0 | 15.0%(9/60) |
dish in sauce | ||||
Duck | 4 | 2 | 0 | 7.8%(6/77) |
Fried rice | 2 | 1 | 0 | 20.0%(3/15) |
Chicken | 12 | 3 | 1 | 11.5%(16/139) |
Pork | 2 | 1 | 0 | 4.9%(3/61) |
Goat meat | 2 | 0 | 0 | 25.0%(2/8) |
Milk | 4 | 0 | 1 | 2.4%(5/210) |
Total | 77.3% (34/44) | 18.2% (8/44) | 4.5% (2/44) | 7.7%(44/570) |