you kill them doesn't matter, but snap traps are definitely the easiest. But I do have to say that mothballs are totally worthless. Stuff pipes or small holes that lead into your house using steel wool. This will stop the rats from entering in through easy access holes. You can also close off the entrance completely if the pipe or entrance serves no purpose. [10] X Research source Rats really don’t like onions. Just the scent of an onion is one of the best non-toxic ways to get rid of rats from your garden', says Robert.

Losses — infestations may cause product recalls and loss of contracts which can lead to financial loss and the loss of company reputation.A study from the University of Reading revealed a new generation of rats carrying a genetic mutation which makes them resistant to conventional poison.

Sanitize, Eliminate Existing Population, and Rat Proofing the Area. If you follow these steps, rat infestations can be easily avoided. Due to their poor eyesight, rats rely heavily on their whiskers - believed to be as receptive as a human’s fingertips - to feel the world around them. Pepper - Another remedy rats can't stand is pepper. They are unable to breathe when near pepper. The pungent smell of the pepper inflates their lungs and causes them to die. Try sprinkling some pepper near their holes. It will get rid of the rats and make it harder to enter the house or structure. The most effective way to free a rat is to catch it or place rodent baits.While we don’t expect to see rats weigh over 500g, if food, shelter and water are in plentiful supply, with little competition, brown rats could get closer to 1kg.