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Norway Rat

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Norway rat, Brown rat, Sewer rat, Ship rat, Rattus norvegicus Nature of damage: Feeds on grain.

Damage containers i.e. bags/ cartons. Pollutes grain with excreta, droppings and hairs.

Spread various diseases. Droppings found in groups and spindle shaped.

Habits: It is habituated of making burrows outside grain stores but often lives in sewers.

The burrows are only on surface with two to five openings. Normally it stays within a radius of 25 to 30 meters. It is a good swimmer. Life span is for one year.

File Courtesy: 
C S Azad University of Agriculture and Technology, Kanpur
Photo Courtesy: 
http://nematode.unl.edu/norwayrat.htm
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