Rodents are the most common type of pest problem in Britain today. Rats and mice not only cause economic loss through damage on farms and in commercial premises, they carry disease and can be harmful to your home and family health.. But whatever the causes, there’s no doubt we are more likely to encounter rodent pests in our living and workspace than ever before. The Big Cheese can help. The Big Cheese Mouse and Rat Traps are a brand that can be relied upon.