Adolescence begins and ends at different ages, depending on the dog. Small breeds may turn into adolescents at six months, large breeds at around nine to 10 months; giant breeds may be 12...
Dog Ages & Dog Stages
From bouncing baby pup to elderly matriarch, your dog will express different needs — and tender a range of rewards — at each stage of her life. Puppies are demanding and energetic, adolescents unpredictable. Adult dogs are eager and self-assured, and by the time they're seniors, they will have slowed to a comfortably lazy pace.On average, smaller dogs mature faster and live longer than larger breeds; bigger dogs mature later and generally know shorter spans of adulthood and senior citizenship. That said, every dog develops and ages at her own rate. The following is a rough breakdown of the stages of canine life:• Puppyhood ends between six and 18 months of age.• Adolescence starts between six and 18 months of age.• Adulthood starts between 12 months and three years of age.• The senior years begin between six and 10 years of age.
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