Posts Tagged ‘dogs and cats’

     For many years, the standard measurement of a pet’s age was 7 years for every one year of life.  In other words, a 2-year-old dog was thought to be 14 in “human years.”  This is no longer the case. 

     Research has shown that cats age more slowly than dogs, and that even among dogs there are differences.  For instance, large breeds tend to age faster and have shorter life spans than toy breeds.  (When speaking in terms of averages, however, it is important to remember that there will always be pets that exceed the standard and those that fall short.)

     One of our favorite gadgets at the vet clinic is a chart which shows equivalent ages for cats and small, medium, and large dogs.  Be sure to ask about the chart on your next visit, if you’d like to find out how old your pet is in “human years.”

     Check out these examples, using the guide for cats, small dogs (1-25 lbs), medium dogs (26-55 lbs) and large dogs (56 lbs and over.)

     For the first example, assume the pet is two years old:

  • The cat is 22 human-years old (HYO).
  • The small dog is 26 HYO.
  • The medium dog is 25 HYO.
  • The large dog is 21 HYO.

     Now consider these pets at 7 years old:

  • The cat is 45 human-years-old (HYO).
  • The small dog is 49 HYO.
  • The medium dog is 58 HYO. 
  • The large dog is 65 HYO.

     Finally, look at those same pets at 11 years old:

  • The cat is 59 human-years-old (HYO).
  • The small dog is 65 HYO.
  • The medium dog is 77 HYO.
  • The large dog 99 HYO.

     In general, all dogs and cats match the 7-for-1 measurement in the first year of life; afterwards, the aging process differs for each pet according to size.  If you’re curious about your pet’s “human age,” ask us to check the chart.  It could explain a lot!  ~~  Jen

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