Mini Aussie Life Span + Influencing Factors & Health Issues! (2024)

A merle Mini Aussie with large patches of white fur sitting in a field filled with golden stalks.

Mini Aussies or Miniature Australian Shepherds are spunky and intelligent. They learn quickly and easily and make loyal companions.

Mini Aussies are a healthy and strong breed, and as long as they are given the proper care and love, they can live for many years.

Understanding their specific needs is essential for a happy and healthy life.

How long do Mini Aussies live? Mini Aussies have a life expectancy of 12 to 13 years. They are a relatively healthy breed and do well living both indoors and outdoors. Good nutrition, plenty of exercise, and regular health checkups can help a Mini Aussie reach full life expectancy.

If you have a Mini Aussie or are planning to get one in the near future, you of course want to do all you can to ensure your dog can live a long and happy life.

That’s exactly what you’ll learn in the following as we discuss Mini Aussie health, care, and life expectancy.

Mini Aussie Life Expectancy

A normal life span for a Mini Aussie is 12 to 13 years.

Dogs who are fed a healthy diet, given proper care, and have regular veterinary care are much more likely to remain healthy and meet the breed’s average life expectancy.

Factors That Affect Life Expectancy

Mini Aussies have specific care requirements. Proper care will help ensure a long, happy life. Here are some of the factors that may affect a Mini Aussie’s life expectancy.


Mini Aussies are prone to becoming overweight, so it is important to feed them a high-quality diet and avoid feeding them a cheap, unbalanced diet.

Treats are usually great motivation for training, but they can be high in calories and low in nutrition, so it’s best to limit them.

When treats are offered, be sure that they are healthy options, such as sliced apples or low-calorie, all-natural treats made for dogs.

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Mini Aussies can eat dry commercial dog food (but be sure to carefully examine the ingredient list) or homemade recipes, and they are not known for being picky eaters.

They do drink a lot of water and should be provided will cool, clean drinking water each day.


Mini Aussies are very active and love mental stimulation and playtime. They need a chance to run for at least an hour each day and should also be walked and socialized daily.

They are working dogs and do best with exercise that is goal oriented. 

Tip: A Chuck It! Ball Launcher is great way to exercise your Mini Aussie in the backyard. Throw the ball over and over without ever having to touch the slimy ball or bend over to pick it up.

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Veterinary Care

Regular veterinary care is essential for a happy and healthy life for a Mini Aussie. They should have regular veterinary checkups and receive all recommended vaccinations on time.

While they are a generally healthy breed, they are susceptible to some health problems. 

High Breeding Standards & Genetics

Genetics play a huge role in the health of a dog, and Mini Aussies are no exception.

Choosing a puppy from a legitimate breeder who is working toward the breed standard and offers proper health testing for both parents and puppies can help ensure a healthy puppy from birth.

Quality of Life

The quality of life a Mini Aussie has can have a huge impact on the dog’s mental and physical health.

Dogs who are loved, given proper exercise and socialization, and are provided with proper care are more likely to live longer and better lives.

Health Conditions

Mini Aussies are susceptible to certain health conditions that could affect their life span. Most are associated with their eyes and hips.

Dogs with proper health checks and who come from healthy parents and breeding situations are less likely to develop serious health problems. 

Environmental Pollutants

Environmental pollutants can affect the health and life span of a Mini Aussie in many ways.

Some Mini Aussies are sensitive to certain cleaning products, building materials, perfumes, hygiene products, and food. Smoke too can cause problems.

The more they are around these things, the more likely they are to become sick. Understanding your dog’s allergies and sensitivities can help ensure a long life.

A side view of a tricolored Mini Aussie juvenile.

Mini Aussie Common Health Issues

Mini Aussies are prone to some health problems that may affect their quality of life and life span.

Proper veterinary checkups can diagnose these problems in the early stages so they can be treated more effectively. Some of these conditions include:

  • Joint inflammation
  • Hypothyroidism
  • Glaucoma
  • Retinal dysplasia
  • Medication sensitivity 

Related Questions: 

How Big Do Mini Aussies Get?

The breed standard for Mini Aussies says that males should grow to be between 14 and 18 inches tall and females should be between 13 and 17 inches tall.

They can weigh between 30 and 40 pounds when fully grown.

When Are Mini Aussies Full Grown?

Miniature Aussies are considered fully grown between 12 and 16 months. Most will reach their full adult size by the first year of life, but some may continue to grow up until 16 months of age.


Mini Aussies are a healthy breed of working dogs who are smart, friendly, and loyal.

While they are prone to some minor health conditions, if they are given the proper care, they can live long and healthy lives and make excellent companions.

Last update on 2024-06-25 at 05:24 / Affiliate links / Images from Amazon Product Advertising API