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How to determine your dog's age
Look to teeth to determine a puppy's age.
If you have a puppy, it's fairly easy to determine its age by examining its teeth. Teeth start developing during a puppy's first year.
OPTIONS:
[I] Most adult dogs mature within two to three years of birth. If you find a puppy at a young age or if its teeth are already removed, it could be common dog teeth.;
[II] It might initially throw a tantrum on you-but after 30 to sixty days, it will learn how to relax and age peacefully and happily. The shape of a dog's teeth can sometimes change as a kitten grows, especially if its teeth grow at an odd rate.;
[III] You can determine older teeth by looking at the way they get. As the puppy ages, its teeth begin to become smaller and thicker, developing into canines instead of teeth.;
[IV] The stage of teeth development is tied to a puppy's approximate age. At one month old, teeth will have just started pushing through the gums.;
[IV]