Hi and Welcome! Sweet meece 
This is a myth. Mice naturally eat corn in the wild. In dried corn there can be fungus (aflatoxins), though. Human-grade corn is absolutely fine for rodents.MouseMischief said:Mice shouldn't have corn (causes cancer).
Corn/maize is a man-made crop, so I dont see how they eat it in the wild.WNTMousery said:This is a myth. Mice naturally eat corn in the wild. In dried corn there can be fungus (aflatoxins), though. Human-grade corn is absolutely fine for rodents.