Salmonella is no threat to dogs, and neither is bacteria. They are built to eat raw food, not kibble. Kibble is a totally foreign food to a carnivore and it will not provide them with proper nutrition.

Here is some more reading in case you're interested -
http://petoftheday.com/talk/showthread.php?t=101889
http://rawfed.com/myths/
http://rawfeddogs.net/
http://groups.yahoo.com/group/rawfeeding/
http://groups.yahoo.com/group/RawPup/