Shelties Live To What Age. The shetland sheepdog life span of 12 to 14 years assumes that your dog is free from diseases that can shorten a dog's life. 6 cancer now sadly accounts for the death of around half dogs aged ten or older.
The sheltie carries type iii of von willebrands, which is the most severe of the three levels. The average lifespan of the old english sheepdog is 10.7 years. The lifespan of the shetland sheepdog is typically from 12 to 15 years.