I would go with no= they aren't great for people overall- so probably not great for our pups.
In the US you guys have a GREAT brand called Stonyfield I think... something along those lines- it is ONLY natural ingredients- I get a yogurt right now that is only milk and active bacteria- that's it.... so that's what you are looking for. I don't know a lot about US grocery stores but i've been in a few that have an "organic" section and that is where i would go looking for yogurt. Also if you can go looking for fat free or low fat yogurt- it's out there fat free organic but you gotta look