All pure border collies alive today can trace an ancestral line back to Old Hemp. He was believed to have sired as many as 200 pups over the span of his life. The natural life span of the border collie is between 12 and 15 years, with an average lifespan of 12 years. The median longevities of breeds of similar size are usually 12 to 13 years.Leading causes of death are cancer (23.6%), old age (17.9%) and cerebral vascular afflictions (9.4%). He was believed to have sired as many as 200 pups over the span of his life. The natural life span of the border collie is between 12 and 15 years, with an average lifespan of 12 years. The median longevities of breeds of similar size are usually 12 to 13 years.Leading causes of death are cancer (23.6%), old age (17.9%) and cerebral vascular afflictions (9.4%).
12 and 15 years, natural life span of the border collie is between 12 and 15 years, with an average lifespan of 12 years.
12 and 15 years, natural life span of the border collie is between 12 and 15 years, with an average lifespan of 12 years.