In order to deter rodents, you'll need to know where they're coming in. Jerry Eason, owner of Diamond Exterminators, advises, 'Look for cracks or gaps where rodents might be entering your kitchen.'. Where possible, you might want to block these gaps up using caulk, such as the Gorilla Waterproof Caulk & Seal 100% Silicone Sealant available at Amazon, which is waterproof, and mold and mildew ... More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.