Here you go: http://www.criver.com/SiteCollectionDocuments/rm_rm_c_sprague_dawley_rats.pdf

http://www.criver.com/en-US/ProdServ/ByType/ResModOver/ResMod/Pages/SpragueDawleyRat.aspx

Also: http://www.harlan.com/products_and_services/research_models_and_services/research_models-rats