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Table 2 Quantity of Listeria species in pet food samples examined using MPN method

From: Assessment of Listeria monocytogenes in pet food

Types of pet food MPN/g value
Minimum Median Maximum
Wet pet food < 3 < 3 < 3
Dry pet food < 3 < 3 < 3
Treats < 3 < 3 < 3
Human leftover food < 3 < 3 > 1100