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hi i will like to find out when a puppy is considered a adult dog also when a puppy starts to bark finally how can i tell if the dog is going to die
If you are worried that your dog might die, take it to a vet and have it checked out.
In general, I believe dogs are considered adult at the one year mark although some larger breeds are not considered full grown until they are two.
Those are some tough questions, none of which have a straightforward answer. I would suggest visiting sites that have articles, etc on dogs. I have a large breed dog and subscribe to the Yahoo! dog articles which I receive daily on my My Yahoo! section. Check out this site for lots of articles and info on dogs. https://pets.yahoo.com/pets/dogs/