Jeff Skrzypek
July 24, 2009
 
 
CORVALLIS, Ore.-- When it come to disease and reasearch testing, lab rats and mice have been the standard for years, but now that's changing.
 
A group of scientists from Oregon State University are  using Rainbow Trout, which they say is proving to be more accurate because the fish have less natural occurrences of cancer to begin with.