Generally there are two ways of extermination companies and epidemic prevention and control centers, the extermination company is relatively cheap, but not necessarily complete extermination, epidemic prevention and control centers are expensive, but can be completely a nest.
There are three kinds of rodent extermination, one is to use the cat to hunt, and is never contact with the rat poison in order to let the cat hunt, this cat is professionally trained, will not cause chaos in the home.
One is the placement of rat poison, divided into general rat poison and strong rat poison, general rat poison can kill a nest of rats, but from the bait to the seizure of a long period of time, strong rat poison can make the rats from the bait to the seizure of a short period of time, but the need for one day to three days no one at home, to prevent the drug volatilization of the harmful to the people.
The other is the trapping method, setting traps, but it is more expensive