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This breed of rat was first produced by the Sprague Dawley farms (later to become the Sprague Dawley Animal Company) in Madison, Wisconsin, in 1925. The name was originally hyphenated, although the brand styling today (Sprague Dawley, the trademark used by Inotiv) is not. The average litter size of the Sprague Dawley rat is 11.0. [29]
Sprague Dawley rat; W. Wistar rat; Z. ZDF rat; Zucker diabetic fatty rat; Zucker rat This page was last edited on 12 October 2015, at 22:02 (UTC). Text is available ...
The fancy rat (Rattus norvegicus domestica) is the domesticated form of Rattus norvegicus, the brown rat, [1] and the most common species of rat kept as a pet.The name fancy rat derives from the use of the adjective fancy for a hobby, also seen in "animal fancy", a hobby involving the appreciation, promotion, or breeding of pet or domestic animals.
The company began offering rats in 1969, including Sprague Dawley, one of the most popular breeds of laboratory rats. That same year, Taconic became the first breeder to receive full accreditation from the American Association for the Accreditation of Laboratory Animals. [citation needed]
Laboratory rat#Sprague Dawley rat To a section : This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a page, use {{ R to anchor }} instead .
"The period before World War I led to the initiation of inbreeding in rats by Dr Helen King in about 1909 and in mice by Dr C. C. Little in 1909. The latter project led to the development of the DBA strain of mice, now widely distributed as the two major sub-strains DBA/1 and DBA/2, which were separated in 1929-1930.
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Harlan UK Ltd. is the British arm of Harlan Sprague Dawley Inc. It has an annual turnover of £6.6 million, according to the British Union for the Abolition of Vivisection (BUAV). [6] The company supplies marmosets, beagles, cats, rabbits, guinea pigs, rats, mice, gerbils, and hamsters, as well as hybrid, mutant, and transgenic animals.