I just heard this from our vet the other day and had to do some more research. Folks, be careful with doggie treats - no more grapes or raisins. It can cause renal failure in dogs and be deadly.
http://vetmedicine.about.com/od/toxicology/f/grape_raisin.htm
Jody
http://vetmedicine.about.com/od/toxicology/f/grape_raisin.htm
Jody

