Rodent create a huge problem to mankind due to its sheer numbers. It multiplies fast and eat a good part of human food and destroy valuable equipment by cutting wires etc in storage places, homes, factories hospital, commercial buildings. There is no place is rodent proof. Rodents are several diseases spread to human like :-

Rat-Bite Fever:- Germs are found on the teeth and gums of rats. They transferred when a person is bitten.

Leoptospirosis:- mice and rats carry germs and transmit them to   human food through urine

Salmonellosis:- Food poisoning spread through food contaminated from mouse or rat droppings.       

Plague:-   Known as the “Black Death”  is a germ transmitted to man by the fleas of infected.                   

Major areas where rats pose problems are FOOD PROCESSING UNITS, BAKERIES, POULTRY, CATTLE FARMS, CATTLE FEED MILLS, BOTTLING UNITS, PHARMACEUTICALS, SOAP AND OIL FACTORIES, PAPER INDUSTRY,RESIDENTIAL COLONIES, WARE H OUSES, HOTELS AND RESTAURANTS, RAILWAYS, AIRPORTS, SEA PORT, SHIPS, DEFENCE ESTABLISHMENTS, INDUSTRIAL TOWNSHIPS etc.

      Rat is a suspicious and smart animal. Hence control measures require great deal of expertise and experience.