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Friends Educational Information
How old is your beloved pet?
The way that dogs and cats mature doesn't correspond exactly to the way that humans do. It was once thought that 1 year in the life of a dog or cat was equivalent to 7 years of a human life. Recently, a new scale has been accepted. Dogs and cats grow up very quickly during the first two years of life and then mature more slowly after that. Large dogs tend to have shorter lifespans than small dogs (see chart). Cats tend to live longer than dogs. The general consensus is that at about age 7 a dog or cat can be considered "middle-aged," and age 10 and beyond "old".
Purina has sponsored a site (as of 6/06) where you can enter information about your dog's health, breed, weight and behavior to see if these are likely to affect it's lifespan. It is based on the methods used to see how diet, exercise, smoking, etc. affect human lifespan predictions.
|
Cat and Dog |
Human's |
|
6 months |
10 years |
|
8 months |
13 years |
|
1 year |
15 years |
|
2 years |
Cats - 24 years |
|
4 years |
32 years |
|
6 years |
40 years |
|
8 years |
48 years |
|
10 years |
56 years |
|
12 years |
64 years |
|
14 years |
72 years |
|
16 years |
80 years |
|
18 years |
88 years |
|
20 years |
96 years |
|
21 years |
100 years |
|
Age |
Up to 20 lbs |
21-50 lbs |
51-90 lbs |
Over 90 lbs |
|
5 |
36 |
37 |
40 |
42 |
|
6 |
40 |
42 |
45 |
49 |
|
7 |
44 |
47 |
50 |
56 |
|
8 |
48 |
51 |
55 |
64 |
|
9 |
52 |
56 |
61 |
71 |
|
10 |
56 |
60 |
66 |
78 |
|
11 |
60 |
65 |
72 |
86 |
|
12 |
64 |
69 |
77 |
93 |
|
13 |
68 |
74 |
82 |
101 |
|
14 |
72 |
78 |
88 |
108 |
|
15 |
76 |
83 |
93 |
115 |
|
16 |
80 |
87 |
99 |
123 |
|
17 |
84 |
92 |
104 |
Purple |
|
18 |
88 |
96 |
109 |
|
|
19 |
92 |
101 |
115 |
|
|
20 |
96 |
105 |
120 |
|
|
Chart developed by Dr. Fred L. Metzger, DVM, State College, PA. Courtesy of Pfizer Animal Health. |
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October 03, 2009
Copyright © Friends For the Dearborn Animal Shelter All
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