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How to pick a healthy adult dog
Go to your local animal shelter or humane society.
Start your dog search at your local humane or animal rescue society to see what dogs are available. These groups are very good at making sure all animals in their care are in the best possible health.
Most shelters give their dogs a complete examination by a veterinarian and vaccinations. Humane societies will not knowingly adopt out a sick dog and frequently will take one back within a few days if he becomes ill.