Which of the following is not a typical sign of rodent infestation?

Decaying vegetables are not a typical sign of rodent infestation because they indicate a different issue related to food storage or spoilage rather than the presence of rodents. Rodents are primarily attracted to food sources that are accessible and fresh; thus, decaying vegetables are less likely to attract them.

In contrast, rodent droppings are a significant indicator of their presence, as they leave feces in areas where they forage or nest. Chew marks on packaging suggest that rodents have been accessing stored food, revealing their activity. Similarly, visible nests made from materials they find in the environment would confirm that rodents are nesting nearby. These signs are all direct evidence of rodent infestation, while decaying vegetables do not indicate rodent activity but rather a concern related to food management and hygiene in the establishment.