As a subject matter expert in animal behavior and nutrition, I can tell you that the stereotype of rats eating cheese is largely a myth perpetuated by popular culture. While rats are omnivores and will eat a variety of foods, cheese is not a primary food source for them. In fact, cheese is not particularly healthy for rats because it is high in fat and can lead to obesity and other health issues if consumed in large quantities. Rats in the wild typically consume a diet that includes grains, fruits, vegetables, and small amounts of meat.

read more >>

Research has shown that mice will eat pretty much anything that has minor nutritional value, so yes, mice will eat cheese. Given a choice though, mice seem to prefer sweeter treats, such as fruits or grains. ... If a rodent is hungry enough, it may nibble on cheese, but the scent would not lure a mouse to a trap.read more >>