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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 [ 1 ] , and "lab rat" is ...
[3] In the U.S., the numbers of rats and mice used are not reported, but estimates range from around 11 million [4] to approximately 100 million. [5] In 2000, the Federal Research Division, Library of Congress, published the results of an analysis of its Rats/Mice/and Birds Database: Researchers, Breeders, Transporters, and Exhibitors.
[13] [14] In early 2012, the Lab Rats premiere received the highest ratings for original series for the network. [15] Sparks continued portraying Davenport in the spin-off Lab Rats: Elite Force . He provided the voice of the computer named "Mr. Q" on the U.S. television adaptation of 20Q , which aired on the Game Show Network (GSN) in 2009.
The series launch of Lab Rats in February 2012 was the most-watched series premiere in Disney XD history, [12] drawing 1.27 million viewers and performing well in key demographics. [13] The followup encore of the premiere that aired on Disney Channel on March 2, 2012, ranked as the number-one telecast in kids 2–11 for the week of February 27 ...
According to the USDA, in 2016 501,560 animals (61%) (not including rats, mice, birds, or invertebrates) were used in procedures that did not include more than momentary pain or distress. 247,882 (31%) animals were used in procedures in which pain or distress was relieved by anesthesia, while 71,370 (9%) were used in studies that would cause ...
Charles River Laboratories began humbly 77 years ago when a bow-tie-sporting veterinarian named Henry Foster purchased 1,000 rat cages from a Virginia farm and set up a one-man lab in Boston ...
During his first tests, he placed around 32 to 56 rats in a 10-by-14-foot (3.0 m × 4.3 m) cage in a barn in Montgomery County. He separated the space into four rooms. Every room was specifically created to support a dozen matured brown Norwegian rats. Rats could maneuver between the rooms by using the ramps.
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