by Debra Primovic
To pet lovers, the disparity between human and canine life spans seems unfair. Efforts to help dogs stay healthy not only keeps them around longer, but pays dividends in also keeping them in as youthful shape as possible.
Know When Your Pet is “Old”. According to Dr. Johnny Hoskins, in Geriatrics and Gerontology of the Dog and Cat, the canine age that qualifies as senior depends largely on the breed and size.