US: Battle of the birds: how to keep birds out of restaurants and food production facilities
Food Safety Magazine: Simply put, birds of all feathers need to be kept out of restaurants and food manufacturing areas for a variety of reasons. Not only do they transmit diseases, they’re not exactly the cleanest creatures—even if they do use a birdbath from time to time.
What makes birds especially dangerous is that they often travel great distances, meaning they have the ability to spread contagion rapidly. Fowl also harbor over 40 types of parasites and host over 60 types of infectious diseases. If that’s not enough to make your stomach turn, there’s more.
If birds nest nearby, they can spread illness and disease via their feces, which can literally drop from anywhere at any time. Consequently, the effect they can have on a foodservice plant or a restaurant can be devastating. The diseases that live within the parasites of these animals make them particularly susceptible to passing on infection to humans and contaminating stored food sources.