Which control method is most important for rodent management?

• A. Trapping
• B. Baiting
• C. Chemical fumigation
• D. Rodent-proofing

Answer: (D)

Preventing access is the foundation of effective rodent management. Rodent-proofing, or exclusion, stops new rodents from entering buildings by sealing gaps and holes, screening vents, and making entry points difficult to exploit. Once you remove the chance of entry, you cut off the primary route of infestation, which makes any other control measures far more effective because there’s no ongoing reinfestation coming in. Trapping and baiting can reduce the existing population inside, but without solid exclusion, rodents will simply find another way in and the problem will rebound. Chemical fumigation is a drastic treatment suited to specific situations and does not provide lasting prevention or ongoing protection like proper exclusion does. So prioritizing rodent-proofing establishes long-term control and reduces future problems.