When you get a puppy, the environment needs to support both you and them in being able to fulfil the above. How long you will need is impossible to say, as every puppy responds differently.
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Mental Stimulation ideas for your dog
It’s too easy to make dog walks the main stimulation your dog gets, however, when left to their own devices- dogs may need more than a good run around. Studies on free-ranging dogs show they spend significant time in their day foraging and chewing alongside other self-care behaviours, such as grooming.