The standard lifespan of puppies may differ broadly among the breeds, but for many, the median longevity (the age at which 50 percent the pet dogs inside a population have died and half are still alive) ranges from ten to thirteen a long time.[34][35] The median longevity of mixed-breed pet https://dog52738.mdkblog.com/32287873/dog-things-to-know-before-you-buy