I recommend staying away from salmon because it can from what I've heard they can get sick from it. I would ask the vet about feeding salmon before giving your dogs any. Here are a couple of good sites with good information pretaining to what you can and can not give your baby.
http://www.treshanley.com/cic/dangerousfoods.html
http://www.jeanesholistics.com/id6.html
I hope these help a little.