There are many commercially available active ingredients effective against rodents. Third generation anticoagulant rodenticides are highly effective. In addition, the animals do not die immediately when they ingest the bait, which makes other animals fall into the trap.
To ensure success, the most important thing is to combine chemical and physical pest control.
The chemical must be desirable and bound to the soil. In addition, it should be rotated to avoid resistance and should be changed in different formats (solid, liquid, foam, etc.).