Federal health officials added petfood to the list of recalled products from a Salmonella outbreak linked to peanut butter, according to a story from www.abcnews.com .
PetSmart has voluntarily recalled seven different kinds of its Grreat Choice Dog Biscuits because the ingredients include peanut paste from a processing plant linked to the Salmonella outbreak.
The FDA has a list of tainted products on its Website .
The CDC warns that the Salmonella investigation could take time.
