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Laboratory rats or lab rats are strains of the rat subspecies Rattus norvegicus domestica (Domestic Norwegian rat) which are bred and kept for scientific research. While less commonly used for research than laboratory mice , rats have served as an important animal model for research in psychology and biomedical science .
The multimammate mice (also called multimammate rats, African soft-furred rats, natal-rats or African common rats) are found in most parts of sub-Saharan Africa. Their head-body length is between 10 and 15 cm, their tail length is between 8 and 15 centimetres (3.1 and 5.9 in), and their weight varies between 20 and 80 grams (0.71 and 2.82 oz ...
The new genome rat assembly, mRatBN7.2, was generated by the Darwin Tree of Life Project at the Wellcome Sanger Institute and has been accepted into the Genome Reference Consortium. mRatBN7.2 was derived from a male BN/NHsdMcwi rat that is a direct descendant of the female BN rat previously sequenced.
Spontaneously hypertensive rat (SHR) is a laboratory rat which is an animal model of primary hypertension, used to study cardiovascular disease. It is the most studied model of hypertension measured as number of publications. [ 1 ]
Rats are also associated with human dermatitis because they are frequently infested with blood feeding rodent mites such as the tropical rat mite (Ornithonyssus bacoti) and spiny rat mite (Laelaps echidnina), which will opportunistically bite and feed on humans, [57] where the condition is known as rat mite dermatitis.
The Dulzura kangaroo rat, or San Diego kangaroo rat (Dipodomys simulans) is a species of rodent in the family Heteromyidae. [2] It is found in Baja California, Mexico, and in the Colorado Desert and elsewhere in California in the United States. It is a common species and the IUCN has assessed its status as being of "least concern".
The coyote is the state animal of South Dakota. This list of mammals of South Dakota includes species native to the U.S. state of South Dakota. [1] [2] [3] Three species that are extirpated from the state are the mountain goat, gray wolf, and grizzly bear.
When searching for food is dangerous or unproductive, animals often use food stores to supply all or part of their diet. This is a feasible strategy to avoid food shortage. It is the habit of collecting and storing both food and nonfood items that has earned the eastern woodrat is other common name of "pack-rat" or "trade rat". [17]