Show THE destructive RAT of all the pests which infest the world the rat is undeniably one of the worst so great has the menace of rats become that an international association for their extermination has been organized not only do rats destroy millions of dollars worth of farm products every year but they are a menace to health through the fleas which infest them and spread diseases of various kinds such as bubonic plague trichinosis and hydrophobia it is said that one couple of gray rats will produce to in a year as the young become adults in four months if all were able to find food and shelter it can readily be seen that they would ultimately overrun a community the program recommended for rats includes the building of rat proof structures the cutting off of their food supply and the poisoning of those which survive other preventive measures |