Meet the Brown Swiss cow! Many dairy historians consider the breed to be the oldest of all the types of milk cows, or dairy breeds. Characteristics: The Brown Swiss cow has a gray-brown coloring. She is large in size, weighing about 1,500 pounds in maturity. History: The Brown Swiss originated in Switzerland. Many dairy historians consider the breed to be the oldest of all the types of milk cows.
How long does a border collie usually live?   12 to 15 years, usually. Some live 16 - 17 - 18.... up to 20 years! Border collies, being a medium sized breed, should have an average lifespan of 15 years.
Life span. The natural life span of the Border Collie is between 10 and 14 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%).