Kill the trapped rats by drowning in water and the interval between two trapping in the same location should not be less than 30 days. P.A.U. has developed double chambered multi-catch trap with tunnel type entrance. Many rats can be trapped at a time. Place 16 traps for an acre at runways and activity sites of rats in the fields, also place traps in homes, poultry farms, god owns, stores etc. Place one trap for 4 to 8 square metre along the walls, comers of rooms, grain storing places and behind the boxes.
In cold stores wrap the traps in newspapers before placing. For catching rats pre-baiting is done. For this purpose put in each cage/trap bait consisting of 10 to 15 grams of bajra or sorghum or cracked wheat, which contains 2% of powdered sugar and 2% of groundnut or sunflower oil. This should be done for 2-3 days. Thus by using traps crops can be saved from damage by rats.