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Hi Carole, I'm impressed!! Now, about those Buffalo Rats...... :-) .......... lol .....................murray On 28 Feb 00 at 21:45, Carole Hercun wrote: > Hi Murr: I now know more about rats than I ever wanted to > know. Until I went to research your question, had no idea > there were so many rodent afficianados on the Net. Here > goes: > > Sprague Dawleyr > Outbred Rat Order Model #: SD > Color: Albino > Features: The SD rat is a widely accepted, dependable, > general purpose research model used in virtually all > disciplines of biomedical research including toxicology and > pharmacology. > Origin: Taconic SD rats were first obtained in 1970 from > the NIH Animal Genetic Resource. The NIH stock originated > from Sprague Dawley, Inc. in 1945 and has since been > maintained as an outbred closed colony. To maintain genetic > continuity with the SDN:SD strain of NIH, Taconic > continually receives axenic breeder stock from the NIH > Animal Genetic Resource for systematic introduction into > Taconic's production colonies. > Rats, Carole > [log in to unmask]