The best way to know your dog's age is to observe physical signs of aging. Start by looking at their teeth. If your new pup has shiny white teeth that look a bit small for their jaw, they may be under 16 weeks of age. By the time they're adults, dogs have full mouths of permanent teeth.
At what stage is a dog an adult?
Physical Maturity: Physically speaking, dogs are fully grown by the time they're 1 year old, although large breeds may keep growing until they're 2 years old.
How can I tell the age of my dog?
How to Calculate Dog Years to Human Years?115 human years equals the first year of a medium-sized dog's life.2Year two for a dog equals about nine years for a human.3And after that, each human year would be approximately five years for a dog.
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