Cancer is the leading cause of death for dogs in general, but Bernese Mountain Dogs have a much higher rate of fatal cancer than other breeds; in both U.S./Canada and UK surveys, nearly half of Bernese Mountain Dogs die of cancer, The Bernese is one of the short-lived dog breeds, compared both to other breeds of a similar size and to purebred dogs in general. The average life expectancy of a Bernese Mountain Dog is approximately 7 to 8 years. Most other breeds of a similar size have median longevities of 10–11 years. In a 2004 UK survey, the longest-lived of 394 deceased Bernese Mountain Dogs died at the age of 15.2 years.
8 years.
8 years.