Brown Rat

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Brown Rat

 

(Rattus norvegiens), a mammal of the order Rodentia.

References in periodicals archive ?
Animal used as the research subjects are healthy white rats line SD (Rattus norwegius L.
Infection of white rats peritoneal macrophages wiht Toxoplasma gondii (Coccidia: Sarcocystidae) after Trypanosoma lewisi (Kinetoplastida: Trypanosomatidae) infection.
The first is that, in education, lacking the white rat and the fruit fly as experimental populations, random assignment is often impossible, and since humans -- beings both sentient and volitional -- are involved, random assignment might itself influence outcomes.
They presented a white rat to Albert and, whenever the boy reached for the animal, they struck a metal pipe with a hammer.
The operator covers a white rat with a lid after placing it in the center of a colorful spinning wheel, Meinhardt said.
Other works include a critically acclaimed collection of short stories, White Rat, and a book of poetry, Song for Anninho, as well as a book of criticism, Liberating Voices.
Dad, the maid and her black husband are all involved in bizarre goings-on sparked by the arrival of a pet white rat.
Apparently a Tony Curtis fan, Butch has a pet white rat named after the actor and had a photo of the young Curtis on display in his cell.
by local artist Valerie Mangione, showed the Madonna suckling a large white rat.
Samuel Beilin and Partners, who describe themselves as consultants to property developer North Point Global (NPG), says an "anonymous Qatari buyer" has bought the works, including the famous White Rat and Love Plane, for $5.
WATCH ME GO: Martini the white rat has perfect balance and, below, Georgia Williams meets Coal the barn owl