Life Stages

Your Pet's Life Stages

Canine Life Stages

  • Puppy (neonate until reproductive maturity)
  • Junior (reproductive mature, still growing)
  • Adult (finished growing, structurally and socially mature)
  • Mature (from middle up to approxiamately the last 25% of expected lifespan (a window of time around half life expectancy for a particular breed))
  • Senior (from maturity to life expectancy (approximately the last 25% of expected lifespan))
  • Geriatric (at life expectancy and beyond)

**Age at each canine life stage is dependent on breed and body weight**

Feline Life Stages

  • Kitten (0-6 months)
  • Junior (7 months - 2 years)
  • Adult/Prime (3-6 years)
  • Mature (7-10 years)
  • Senior (11-14 years)
  • Geriatric (15+ years)