Rats
| Definition: |
The common name for the species Rattus norvegicus. |
| Notes: |
= RATTUS NORVEGICUS only: for other species note RATTUS see MURIDAE; note inverted see ref "rat" species (RATS, BANDICOOT; RATS, COTTON; RATS, KANGAROO; etc.); check tag: no qualif; when IM, qualif permitted; rats as a health hazard (e.g., Rattus rattus): |
| Also Called: |
Rats, Laboratory |
Rats Categories.
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Rats, Inbred Strains - Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding. |
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Rats, Long-Evans - An outbred strain of rats developed in 1915 by crossing several Wistar Institute white females with a wild gray male. Inbred strains have been derived from this original outbred strain, including Long-Evans cinnamon rats (RATS, INBRED LEC) and Otsuka-Long-Evans-Tokushima Fatty rats (RATS, INBRED OLETF), which are models for Wilson's disease and non-insulin dependent diabetes mellitus, respectively. |
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Rats, Mutant Strains - Rats bearing mutant genes which are phenotypically expressed in the animals. |
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Rats, Sprague-Dawley - A strain of albino rat used widely for experimental purposes because of its calmness and ease of handling. It was developed by the Sprague-Dawley Animal Company. |
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Rats, Wistar - A strain of albino rat developed at the Wistar Institute that has spread widely at other institutions. This has markedly diluted the original strain. |
Rats Definitions and Terms
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