What are the common signs indicating pest infestation in a food service operation?

The correct response highlights specific physical indicators of pest activity that are crucial in food service operations. Droppings are a clear sign of pest presence, as they can often be found in areas where pests nest or travel. Gnaw marks suggest that rodents, such as mice or rats, are active, as they tend to chew on various materials, including food packaging and structural elements of the facility. Unusual odors can also indicate pest infestations, as decomposing pests or their excrement may emit foul smells.

Recognizing these signs allows food service managers to swiftly address potential infestations, mitigating risks related to food safety, cleanliness, and overall customer satisfaction. This is essential in maintaining a safe food environment and complying with health regulations.

In contrast, the other options lack specific indicators of pest infestations. For example, runny liquids and customer complaints may suggest various issues, but they do not directly relate to pest activity. Excessive noise or broken appliances could signal mechanical issues rather than pest presence, and while water leaks and mold growth point to maintenance issues, they do not specifically indicate an infestation. Therefore, focusing on droppings, gnaw marks, and unusual odors is key to effectively identifying and combating pest problems.