From eating food that dogs should not be eating. Or a stomach/intestinal tract infection/disorder.
A dog tumor can smell bad because it may be infected or necrotic, causing the release of foul-smelling substances.
You need a vetenerary.
The child will most likely have horrible smelling breath, but I don't foresee anything bad coming from it.
Well, if your dog licked it, then yes they would, but if the dog got peed on, then no. It happens to my dog all the time..
it would depend, on weather your dog is haveing problems, or it needs more training
Yes.
dog because the bear and dog have good smelling system
You are smelling ammonia and you really shouldn't be able to. The dog may need to drink more water.
yes it can
Standard dog food would be difficult for puppies to eat and digest but it is not 'bad' for them in the sense that it is poison.
Think about what would be best for the dog and go with that.
Why are you smelling dog urine, new hobby or something?