The schedule is week-by-week and will show you what to do each week so as to raise a polite and nicely-behaved canine. How long can a 12 week outdated puppy hold their bladder? Destructive chewing will be a difficulty for your canine until they reach 18 months of age. A brand new pet in the house can kill another canine if the pet just isn't correctly socialized or if the opposite dog is not correctly...