average lifespan border collie
Life Span. Border Collie lifespan is naturally from 9 years to 17 years. The average lifespan for a Border Collie is 12 years. The leading cause of death for these dogs are cancer at 23.6%, old age at 17.9% and cerebral vascular afflictions at 9.4%.hink about this it only takes 16 ounces of chocolate to kill a 20 pound dog. In event of accidental consumption induce vomiting and contact/visit your vet immediately. Border collie veterinary medicine and study focuses on the main ailments which plagued the breed.