The laboratory rat is the domesticated form of the species Rattus norvegicus or brown
Norway rat. Although the genus Rattus contains 66 species, the most commonly known …

The brown or roof or Norway rat (Rattus norvegicus) has lived synanthropically with and
been a pest to humans from early on. It started its migration from Southeast Asia about 3600 …

The laboratory rat was the first mammal domesticated for research purposes. It is descended
from wild Norway rats, Rattus norvegicus, which despite their name likely originated in Asia …

The laboratory rat, Rattus norvegicus, is within the order Rodentia and family Muridae. The
genus Rattus contains at least 56 species (retrieved January 28, 2014, from the Integrated …

" Rat" refers to a wide variety of small animals of the family Rodentia. They tend to have
coarse fur in dull colors such as brown and black, hairless tails, and powerful incisors, with …

Abstract The Norway rat (Rattus norvegicus) is a stocky burrowing rodent, unintentionally
introduced into North America by settlers who arrived on ships from Europe. Also called the …

Traditional difficulties in procuring wild rats can be overcome by trapping in an unstable
environment (eg, land-fill) where the natives do not fear strange objects such as traps …

The laboratory rat, Rattus norvegicus, is within the order Rodentia and family Muridae. The
genus Rattus contains more than 130 species; however, the Norway rat, R. norvegicus, and …

In the past, laboratory rabbits have usually been kept singly in small cages that provide
neither social nor environmental enrichment, and frequently the cages have been too small …

One of the prerequisites for the responsible use of animals in biomedical research is a
thorough knowledge of the biological characteristics and husbandry requirements of the …