Norway rat


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Related to Norway rat: roof rat, brown rat, sewer rat
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Synonyms for Norway rat

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The low number of infected Norway rats found in Mediterranean countries in Europe so far has led to the species being categorized as an incidental host, capable of becoming infected but considered irrelevant to the long-term persistence of the disease (2,6-8).
Rat eradication from Isola delle Femmine is the first one in the Mediterranean basin carried out against the Norway rat (cf.
Norway rat is one of the most, economically, important commensal rodent pest species that could exploit the rural and urban environments of the world (Aplin et al., 2003; Pocock et al., 2004; Cavia et al., 2009).
In the present work, juvenile age (post day 30) Norway rats (Rattus norvegicus) were chronically exposed to low level concentrations (1.2mg/day) of perfluorooctanes and assessed for differences from control populations in their behaviors in an Open Field Apparatus.
Norway rats prefer fresh food over garbage, but they'll make do with what's available.
After two years of intensive efforts by an international consortium of researchers, the Brown Norway rat (Rattus norvegicus) joins the human and the mouse as the third mammalian genomic sequence to be completed.
Most rodents prefer fields and woods to human habitats, but the opposite is true of three notorious species uniquely adapted to living around humans: the house mouse; the black, or roof, rat; and the Norway rat. These are the real troublemakers, and the better you know your enemies (See "Three Repulsive Rodents," Page 66), the easier it will be to bring them under control.
So researchers selected the Brown Norway rat for the development of a model because the immunological reactivity of this strain closely resembles that segment of the human population that's sensitive to the development of allergies.
The Norway rat or brown rat (Rattus norvegicus) is a case in point.
The exceptions are the old world rats and mice: the housemouse, Mus musculus, and the Norway rat, Rattus norvegicus.
In addition, the Brown Norway rat model is being improved to characterize the allergenicity of food proteins and modified foods.
muris in laboratory mice (Mus musculus) and a feral Norway rat (Rattus norvegicus) and G.
It is transmitted by the brown Norway rat (Rattus norvegicus), which is found worldwide (2,3).
Characteristics of an urban environment such as New York City (NYC), including readily available putrescible waste and ample subterranean infrastructure, make it highly attractive to the Norway rat (Rattus norvegicus).
A large Norway rat shot out from underneath the nearest bale and ran to the back wall.