Pest control equipments

Gray rat

Rattus norvegicus

Species native from East Asia, the gray rat is now seen worldwide. Ships were the main way to transport them to the farest corners of the world. 


The gray rat is a social animal, adaptable and even intelligent.


  • Length (head and trunk): 21-28 cm.

  • Tail length: 17-25 cm.

  • Weighing between 250 and 50 grams.

  • Top and sides of the body are brown - gray and the belly is whitish gray.

  • The tail is completely covered with scales shaped rings.

  • Night active animals that live in groups of 50-250 individuals. Most often, the groups consist of one male and several females, adults and puppies.

  • Rats multiply throughout the year and the female gives birth to 2 to 7 times per year about 6 to 10 puppies.

  • Varied diet: seeds, fruits, eggs of birds, carrion, corpses of animals, small mammals. 


Meet both in villages and in most big cities, rats can be found in basements, warehouses, sheds, pipelines and any other places where they can find food and shelter. Thus, the gray rat is a pest typical for supplies, materials and hygiene.

Since they consume various food, they contaminate it with secretions, urine and excrement. Besides contamination, rats produce damages to furniture, cables, doors, plastic etc.

Grey rats are carriers of many infectious diseases that can spread easily to humans and animals, including: fleas, Lassa fever viruses, Lyssa viruses (pathogens rabies), salmonella, trichinella and other ecto and endoparasites.

Did you know...

  • Members of a group of rats are recognizable by their characteristic smell of that group?

  • Members of a group exhibit a strong territorial behavior and rats that did not belong to a group are expelled or even killed?

  • The life expectancy of a rat is 4 years? Rats get to this age rarely, unless they live in nature.

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