Yorkshire Terriers are generally considered senior from around eight years old, though many are still bouncing off the furniture well past ten. With a typical lifespan of 13 to 16 years, a Yorkie can spend nearly half her life in her senior years, which makes this stage worth planning for rather than reacting to.
Most of what changes is gradual and easy to miss. This guide covers what to adjust in her diet, home, exercise and vet routine, and which changes are normal ageing versus a reason to call the vet.