Optional: Adjust the options for first year aging, second year ageing and human lifespan.Enter the age of the dog in calendar years and months.This is helpful for determining equivalent dog ages in different regions of the world. The operator can adjust this parameter under the options tab. This calculator defaults to sixty-eight years for human life expectancy. This calculator allows the user to adjust human life expectancy used in the calculations. The worldwide average human life expectancy in 2011 was 67.88 years. See List of countries by life expectancy for more values. For example, in 2011 Japan had an overall life expectancy of 83 years and Sierra Leone had a life expectancy of 47. Life expectancy varies by time in history, country and gender (male/female). Importantly, the conversion for dog years to human years is directly based on human life expectancy. This is useful to get more accurate results for extremely large or very small pets during the first two years. The user can adjust these values under the options tab. It defaults to 15 years for the first year and 9 years for the second. This calculator allows the user to adjust the rate of aging during the first two years of the dogs life. After two years, a canine will age three to five dog years per calendar year. At two calendar years, dog will have aged to twenty-four human years. Typically, dogs will have an equivalent age of approximatelyįifteen years at one calendar year. During the first two years of life, dogs mature rapidly from childhood to adulthood. This calculator uses dog lifespan data from Wikipedia for the conversion.ĭogs mature at different rates when compared to humans. This calculator determines the age of your dog in equivalent human years or calendar years by specific breed or weight range. See a veterinarian for age related questions or any other health concerns for your pet. Other options for sterilization if litters are undesired are strict inside keeping, only allowing the dog out on a leash, and proper confinement behind fences.ĭue to its large size, it is often afflicted by the same issues as other large breeds face, such as hip dysplasia, heart issues, breathing issues, gastric issues, and climate-related issues such as easily overheating.Note: This calculator give a rough estimate and may not be accurate. While evidence supports an overpopulation of mix-breed dogs, the over-population of purebred breeds is a myth. Too often sterilization is encouraged without properly educating owners on many of the potential negative side effects of such procedures, such as changes in temperament, increased risk of certain cancers, and other health-related issues. Too often, people are goaded into spay and neuter of their pets by the animal activist community under the claims of over-population. This condition is most often found in spayed females. Urinary incontinence can be an issue while the dog is sleeping. Frederick and Patricia Hoffman, where today they are now ranked in the top 100 most popular of breeds. Not until 1968 was it imported to the US by J. Nearing extinction in the late 1800's Albert Heim, an expert on Swiss breeds, took a greater interest in the breed and began promoting its revitalization to local breeders, including Franz Schertenlieb, who helped play a key role in their comeback. Also, it is speculated that the Greater Swiss Mountain Dog could have been the product of the Phoenicians with their influence on the development of the Spanish Mastiff and Dogue de Bourdeaux during their period of exploration and conquests.ĭuring the development of the breed, it was bred for primarily farm work such as herding, guarding, and due to its size, the ability to pull carts, which led to the nickname "the poor man's horse." Theories on the development of the breed credit the Romans with their Molossers breeds being used in breeding during the Romans period of world domination 2,000 years ago. The additional decline in desirability was related to the popular movements of people moving into cities to escape farm life in search of alternative employment opportunities. During this period, many labor jobs were replaced by machinery. The breed has had its ups and downs, from being the most popular breed in Switzerland to nearly going extinct as many breeds have or did during the rise of the industrial revolution. The Greater Swiss Mountain Dog was developed in the Swiss Alps as a product of Swiss dogs bred to Mastiffs brought in by foreign settlers.
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