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.