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Miniature Australian Shepherd Health

Miniature Australian Shepherd health: a guide for new owners

Typical lifespan12–13 years
Available Miniature Australian Shepherd puppies →

Puppy First, Health First

†NH, NY, RI, SC and TN residents excluded.

Miniature Australian Shepherd health overview

The big picture

Lifespan and outlook

12–13years

Mini Aussies typically live 12–13 years.

Most Mini Aussies screened for hip problems have normal hips. Like every breed, they have a few health problems that run in the family, and most are easier to manage when caught early.

Everyday habits

A few everyday habits do a lot of the work.

  • Know your puppy's drug-sensitivity result, and share it with every vet who treats your dog, from the first puppy visit on.
  • Keep your Mini Aussie lean, with controlled exercise while it grows.
  • Book an eye exam with a veterinary eye specialist every year.

Everyday habits

This page covers the conditions the breed is known to be prone to, DNA tests, checkups, typical eye treatment costs and a care plan by life stage.

Common Miniature Australian Shepherd health conditions

Worth knowing

Each entry starts with a condition the breed is known to be prone to, then what you might notice and what helps.

This list is not exhaustive or official. Keep asking your veterinarian as your puppy grows.

01

Drug sensitivity

Many Mini Aussies carry an inherited gene change that makes some common drugs risky.

What you might notice

In a dog with the gene change, some sedatives, an anti-diarrhea medicine or high doses of certain parasite drugs can cause a serious reaction.

What you can do

A cheek-swab test shows your dog's status. Share the result with every vet before sedation or new medicines.

02

Eyes

Several inherited eye problems run in the breed. Two of them are cloudy lenses (hereditary cataract) and a slow loss of sight (progressive retinal atrophy).

What you might notice

Cataracts can start in young dogs. The slow loss of sight usually starts with poor vision at night.

What you can do

A yearly exam by a vet eye specialist catches changes early. DNA tests cover both.

03

Hips

In hip dysplasia, the hip joint forms poorly as a puppy grows.

What you might notice

Your vet can check the hips with X-rays as your dog grows.

What you can do

Keep your puppy lean, with controlled exercise while its joints are still growing.

04

Back legs (NAD)

Neuroaxonal dystrophy (NAD) is an inherited nerve condition that slowly weakens the back legs.

What you might notice

Watch for weak or wobbly back legs, or dragging back feet, usually from about 2 years.

What you can do

A cheek-swab DNA test shows whether a dog is at risk. Tell your vet early if the back legs seem weak or clumsy.

05

Teeth

Missing teeth and bite problems run in the breed.

What you might notice

Gaps where teeth are missing, or teeth that don't meet in a scissor bite, are the usual signs.

What you can do

Your vet checks the bite at puppy visits, and the adult teeth once they are in.

Questions about a Miniature Australian Shepherd puppy?
Talk to a puppy concierge about your family — it's free. Daily, 9AM–11PM EST.

Less common conditions in the Miniature Australian Shepherd

Less common

Eyes

Bits of tissue left in the eye from before birth (persistent pupillary membranes) are common, and an eye exam finds them.

Eyes

Collie eye anomaly is a flaw in the back of the eye from birth, and a DNA test can find it.

Eyes

Merle puppies, most of all double merles, are more likely to be deaf or have eye defects, so a hearing test helps.

Elbows

A few dogs checked have loose kneecaps (patellar luxation) or elbows that formed badly (elbow dysplasia).

Eyes

Some eye exams find extra eyelashes (distichiasis) or a gap in the colored part of the eye (iris coloboma).

Miniature Australian Shepherd DNA tests

DNA tests

How it works

A cheek-swab DNA test checks for several inherited conditions in Mini Aussies. These include the drug sensitivity, PRA, hereditary cataract and NAD.

Possible results

Each result is clear (no copies of the gene change), carrier (one copy) or at risk (two copies).

Carrier result

For most of these, a carrier is healthy. At risk means a higher chance, not a diagnosis, and some at-risk dogs never show signs. Two tests work a little differently. With the drug sensitivity, one copy can already cause a reaction. With the cataract test, one copy raises the risk. Among Mini Aussies tested through OFA for the drug sensitivity, about 14 in 100 had one copy. Owners choose which results to send in, so this is about tested dogs, not every Mini Aussie. Since one copy is enough to cause a reaction, keep your dog's result in its vet records and share it with each new vet. Of 285 dogs tested through OFA for NAD, 23 were carriers and 1 was affected. NAD is recessive, so carriers are healthy. The NAD test is not on the common panels, so it is ordered on its own. Tests also cover collie eye anomaly, bladder stones (hyperuricosuria) and disc disease risk. Others check for a spinal cord disease called degenerative myelopathy and a retina disease called multifocal retinopathy.

Miniature Australian Shepherd vet checkups

Checkups your dog will get

Puppy visits
  • At the first visit, give your vet the Veterinary Health Report and your puppy's drug-sensitivity result, or ask about a cheek-swab test.
  • Your vet checks the bite now and the adult teeth as they come in.
  • Your own vet completes the vaccine series that the breeder started.
Young adult
  • Your vet keeps an eye on growth and weight, and you can talk about spaying or neutering.
  • A yearly exam by a veterinary eye specialist helps catch a cataract that starts young.
  • Hip X-rays can be taken before your dog is fully grown, as an early look at the joints.
Adult
  • Book a wellness exam at least once a year, and keep up the yearly eye exam.
  • If your dog's NAD result is unknown, mention any weakness or wobbliness in the back legs.
Senior
  • Keep up eye exams, because PRA starts in middle to later life in dogs at risk.
  • Your vet can help with joint support, weight control and dental care.

Miniature Australian Shepherd life stages

Care plan by life stage

Stage 1

8 weeks to 6 months

  • Have the puppy's drug-sensitivity result on file before any sedation or parasite drug.
  • Keep up with vaccines and parasite prevention.
  • Socialize daily, especially in the first months, because the breed is naturally reserved.
  • Train and brush in short daily sessions.
  • Watch the bite and the permanent teeth as they come in.
  • An eye exam by a veterinary eye specialist can record defects present from birth, such as a gap in the iris.
Questions at any stage? Talk to a puppy concierge.(888) 729-8812
Stage 2

6 to 18 months

  • Keep exercise controlled while your dog is growing, and keep it lean to protect the hips.
  • Book the yearly eye exam, since hereditary cataract can start young.
  • Start the foundations for dog sports.
  • Expect chewing until the end of this stage.
Questions at any stage? Talk to a puppy concierge.(888) 729-8812
Stage 3

Adult (about 2 to 8 years)

  • Book hip and elbow X-rays if they were not done earlier, and keep the yearly eye exam.
  • If your dog's NAD result is unknown, watch for weakness or wobbliness in the back legs.
  • Keep the drug-sensitivity result in every vet record.
  • Give daily physical and mental work.
Questions at any stage? Talk to a puppy concierge.(888) 729-8812
Stage 4

Senior (about 9 years and older)

  • Continue eye exams, because PRA starts in middle to later life in at-risk dogs.
  • Support the joints and control weight for the hips.
  • Keep up dental care.
  • Adjust exercise, but keep the mind busy.
Questions at any stage? Talk to a puppy concierge.(888) 729-8812
1

8 weeks to 6 months

  • Have the puppy's drug-sensitivity result on file before any sedation or parasite drug.
  • Keep up with vaccines and parasite prevention.
  • Socialize daily, especially in the first months, because the breed is naturally reserved.
  • Train and brush in short daily sessions.
  • Watch the bite and the permanent teeth as they come in.
  • An eye exam by a veterinary eye specialist can record defects present from birth, such as a gap in the iris.
2

6 to 18 months

  • Keep exercise controlled while your dog is growing, and keep it lean to protect the hips.
  • Book the yearly eye exam, since hereditary cataract can start young.
  • Start the foundations for dog sports.
  • Expect chewing until the end of this stage.
3

Adult (about 2 to 8 years)

  • Book hip and elbow X-rays if they were not done earlier, and keep the yearly eye exam.
  • If your dog's NAD result is unknown, watch for weakness or wobbliness in the back legs.
  • Keep the drug-sensitivity result in every vet record.
  • Give daily physical and mental work.
4

Senior (about 9 years and older)

  • Continue eye exams, because PRA starts in middle to later life in at-risk dogs.
  • Support the joints and control weight for the hips.
  • Keep up dental care.
  • Adjust exercise, but keep the mind busy.

Miniature Australian Shepherd vet costs

Planning for Miniature Australian Shepherd vet costs

These are typical published costs for treating what a Miniature Australian Shepherd vet exam looks at and the conditions the breed is known to be prone to. Each range shows where it comes from and when, and your own vet's estimate will differ.

On the exam Eyes
Eyes: typical published costs
ItemTypical costPerSourceYear
Specialist's first exam (consultation fee only)$198–$350per visitat US veterinary teaching hospitals (Michigan, Missouri, Tennessee)2023–2026
Eye tests before cataract surgery (ERG and eye ultrasound)$500–$1,300per workupat US veterinary teaching hospitals (Missouri, Tennessee)2025–2026
Cataract surgery, one eye$3,800–$5,500per eyeat one US veterinary teaching hospital (Missouri)2023–2025
Cataract surgery, both eyes under one anesthetic$5,600–$6,700at one US veterinary teaching hospital (Missouri)2025
See it in the exam →
Pet insurance is highly recommended.Insurance options ↓

Miniature Australian Shepherd pet insurance

Planning for pet insurance

When you are ready to compare plans, here is one option for Pawrade buyers.

MetLife Pet Insurance

MetLife Pet Insurance · 1 month included with every puppy†

Only with Pawrade, you receive a pet insurance policy with no waiting period included for immediate accident or illness coverage, 1 month, with every puppy.† You activate it by calling MetLife; instructions arrive with your travel details. Continuing MetLife coverage after the first month is strongly recommended.

View the MetLife 30-day offer →

†NH, NY, RI, SC and TN residents excluded. Activated by calling MetLife; coverage begins immediately following policy activation. See the offer for full terms.

Whichever plan you look at, read the policy before you buy. Check the waiting periods, how it defines a pre-existing condition, and its deductible, reimbursement percentage and annual limit.

Waiting periods, compared

A waiting period is how long after you buy a pet insurance policy before a claim counts.

Waiting periods, compared
Policy Accidents Illness Joints
MetLife policy included with your Pawrade puppy† None None None
MetLife, bought directly None 14 days Not listed
Industry standard 0–14 days 14–30 days 6–12 months
Nationwide 14 days 14 days Not listed
Trupanion 5 days 30 days 30 days
Embrace 2 days 14 days 6 months
Figo 1 day 14 days Not listed
Waiting periods vary by state; your policy governs. NerdWallet, "Pet Insurance Waiting Periods", 2025 Trupanion, "When does my coverage begin?", as posted 2026 MetLife Pet Insurance, "30-day offer", 2025

Miniature Australian Shepherd Veterinary Health Report

What the Veterinary Health Report checks

What the exam covers →

The breeder's licensed vet checks your puppy before it goes home. The vet follows PetPay's exam standards, and the results go in your puppy's Veterinary Health Report.

  1. 1Puppies must be at least 8 weeks old and weigh at least 2 lb before they travel.
  2. 2If the vet finds something that could put your puppy at risk during travel, your puppy stays with the breeder until it's resolved.
  3. 3Problems that can be treated before travel are treated by the breeder's licensed vet first.
  4. 4Anything else the vet notes is shared with you.
PetPay Veterinary Health Report form

16 areas checked on the exam

Closer look for Miniature Australian ShepherdsOn every puppy's report
Closer look for Miniature Australian Shepherds
On every puppy's report
Heart Breathing Temperature, pulse and breathing rate Eyes Ears and hearing Mouth and bite Skin and coat Kneecaps Hips Hernias Soft spot on the skull Body condition and weight Reproductive organs History of vomiting or diarrhea Stool test for parasites Past surgery and notes
Closer look for Miniature Australian Shepherds
Focus

Heart

What the vet checks

The vet listens to the heart with a stethoscope for a murmur.

Focus

Eyes

What the vet checks

With a light and a hand-held scope, the vet checks both eyes for any sign of a vision problem.

Miniature Australian Shepherd note

Defects present from birth, such as leftover strands of tissue across the pupil or a gap in the iris, are best confirmed by a veterinary eye specialist. Collie eye anomaly is one of them in this breed, so an early look at the eyes is worth having on record.

Focus

Hearing

What the vet checks

In merle or mostly white puppies, the vet checks how the puppy responds to sound.

Miniature Australian Shepherd note

Merle puppies carry a higher risk of deafness, and a BAER (brainstem auditory evoked response) hearing test gives a definite answer.

Focus

Bite and mouth

What the vet checks

The vet checks that the teeth meet in a scissor bite.

Miniature Australian Shepherd note

Missing teeth and bite problems run in the breed, so your own vet looks at the adult teeth again once they are in.

Focus

Testicles

What the vet checks

In male puppies, the vet checks that both testicles have come down.

FocusHeart
What the vet checks

The vet listens to the heart with a stethoscope for a murmur.

FocusEyes
What the vet checks

With a light and a hand-held scope, the vet checks both eyes for any sign of a vision problem.

Miniature Australian Shepherd note

Defects present from birth, such as leftover strands of tissue across the pupil or a gap in the iris, are best confirmed by a veterinary eye specialist. Collie eye anomaly is one of them in this breed, so an early look at the eyes is worth having on record.

FocusHearing
What the vet checks

In merle or mostly white puppies, the vet checks how the puppy responds to sound.

Miniature Australian Shepherd note

Merle puppies carry a higher risk of deafness, and a BAER (brainstem auditory evoked response) hearing test gives a definite answer.

FocusBite and mouth
What the vet checks

The vet checks that the teeth meet in a scissor bite.

Miniature Australian Shepherd note

Missing teeth and bite problems run in the breed, so your own vet looks at the adult teeth again once they are in.

FocusTesticles
What the vet checks

In male puppies, the vet checks that both testicles have come down.

Honest limits

Puppies grow and change quickly, and their immune systems are still developing, so no single exam can find everything. The exam is a strong early indicator and a documented starting point that your own vet builds on.

Once your puppy is home
  • Your puppy's vaccination and deworming records are separate documents that travel with your puppy.
  • Bring them, with the Veterinary Health Report, to your first visit so your vet starts from the same record.
  • Before travel, every puppy follows PetPay's vaccination and deworming schedule as far as its age allows.
  • Bordetella and corona are given at the vet's discretion, and no vaccine is given within 3 days of travel.
  • Rabies is given by a licensed vet on the schedule your state requires.
  • Your own vet completes the series.
  • Also bring your puppy's MDR1 result if it has one; if not, ask your vet about a cheek-swab test.
  • Make sure the vet knows the MDR1 status before choosing any parasite drug.
  • Hips are checked later with X-rays, so keep your Mini Aussie lean and its exercise controlled while it grows.

Miniature Australian Shepherd puppy health guarantee

Health guarantee

Every Pawrade puppy comes with a health guarantee administered by PetPay, independent of the seller. The terms are on the health guarantee page.

Health guarantee terms →

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Frequently asked questions about Miniature Australian Shepherd health

Frequently asked questions

Mini Aussies are known to be prone to a drug sensitivity, an inherited nerve condition called neuroaxonal dystrophy (NAD), hip dysplasia, and missing teeth or bite problems. They are also prone to several inherited eye problems: hereditary cataract, progressive retinal atrophy (PRA), collie eye anomaly and persistent pupillary membranes. DNA tests, a yearly eye exam, a lean weight and sharing your dog's drug-sensitivity result with every vet help you stay ahead of them.

Hip dysplasia, where the hip joint forms poorly as a puppy grows, runs in the breed. Of Mini Aussie hip X-rays graded by the Orthopedic Foundation for Animals (OFA), about 7 in 100 were rated dysplastic, most of them mild. Owners choose which X-rays to send in, so this describes screened dogs, not every Mini Aussie. Keep your puppy lean, with controlled exercise while its joints are still growing.

Merle puppies, and especially double merles that get the merle gene from both parents, have a higher risk of deafness and eye defects. For a merle puppy, a hearing test called a BAER test and an eye exam are worth doing.

Many Mini Aussies carry an inherited gene change that makes some common drugs risky. In a dog with the gene change, some sedatives, an anti-diarrhea medicine and high doses of certain parasite drugs can cause serious reactions in the brain and nerves. A cheek-swab test shows your dog's status, and even one copy of the gene change can cause a reaction. Share the result with every vet before sedation, anti-diarrhea medicine or parasite products.

Cheek-swab tests cover the drug sensitivity, progressive retinal atrophy (PRA), hereditary cataract and neuroaxonal dystrophy (NAD). Tests also exist for collie eye anomaly, a retina disease called multifocal retinopathy, degenerative myelopathy, bladder stones (hyperuricosuria) and disc disease risk. The NAD test is not on the common panels, so it is ordered on its own. A carrier of a recessive condition is healthy, and an at-risk result means a higher chance, not a diagnosis.

A yearly exam by a veterinary eye specialist is a good habit, because hereditary cataract and PRA can appear after puppyhood. Some eye defects, such as collie eye anomaly, are present from birth, so an early puppy eye exam is worth having.

Mini Aussies typically live 12–13 years. Eye exams, weight control and dental care continue into the senior years.

Keep up eye exams, because the slow loss of sight called PRA starts in middle to later life in dogs at risk. Support the joints with weight control, keep up dental care, and adjust exercise while keeping the mind busy.

Keep your Mini Aussie lean and busy, book a yearly eye exam and look after its teeth. Keep its drug-sensitivity result in every vet record.

Feed a quality food for its life stage in measured meals, and keep treats under 10% of its daily calories. A lean body helps protect the hips, especially while the joints are still growing.

Sources35 references · 15 groups
AKC
  • 2017 · Miniature American Shepherd
  • Accessed 2026 · Official Standard of the Miniature American Shepherd
  • 2026 · A Timeline of Puppy Teething
  • 2022 · What Makes the Merle in Dog Coats? The Science Behind the Pattern
  • 2024 · Miniature American Shepherd Facts You May Not Know
  • 2026 · Is the Miniature American Shepherd a Good Fit for You?
Miniature American Shepherd Club of the USA, Inc.
  • Accessed 2026 · Parent Club Health Statement
  • 2025 · Breed Health | MASCUSA
Miniature Australian Shepherd Club of America (MASCA)
  • 2010 · Health & Related Issues - MASCA - Miniature Australian Shepherd Club of America
  • 2011 · MASCA Information - MASCA - Miniature Australian Shepherd Club of America
OFA
  • 2021 · Disease Statistics by Breed | OFA
  • 2025 · Multiple Drug Sensitivity (MDR1) - OFA
  • 2021 · Browse By Breed | OFA
  • ACVO Genetics Committee · Accessed 2026 · Ocular disorders presumed to be inherited in purebred dogs
  • 2021 · Eye Certification | OFA
  • 2025 · Neuroaxonal Dystrophy (NAD1) - OFA
  • 2021 · Hip Dysplasia | OFA
  • 2021 · Congenital Deafness | OFA
Veterinary journal (London, England : 1997)
  • Gramer et al. · 2011 · Breed distribution of the nt230(del4) MDR1 mutation in dogs. · Veterinary journal (London, England : 1997) · PMID 20655253
Animals : an open access journal from MDPI
  • De Iorio et al. · 2025 · Genotypic and Allelic Frequencies of Hereditary Cataract in the Italian Population of Australian Shepherd and Miniature American Shepherd Dogs. · Animals : an open access journal from MDPI · PMID 40564330
Movement disorders : official journal of the Movement Disorder Society
  • Cook et al. · 2024 · Canine RNF170 Single Base Deletion in a Naturally Occurring Model for Human Neuroaxonal Dystrophy. · Movement disorders : official journal of the Movement Disorder Society · PMID 39177409
PLOS ONE
  • Langevin et al. · 2018 · Merle phenotypes in dogs – SILV SINE insertions from Mc to Mh · PLOS ONE · DOI 10.1371/journal.pone.0198536
Washington State University (Program in Individualized Medicine / WADDL)
  • Accessed 2026 · Dog breeds commonly affected by MDR1 mutation | Program in Individualized Medicine | Washington State University
  • Accessed 2026 · MDR1 test pricing | Washington Animal Disease Diagnostic Laboratory | Washington State University
VCA Animal Hospitals
  • 2023 · Hip Dysplasia in Dogs | VCA Animal Hospitals
  • 2024 · Teeth, Teething and Chewing in Puppies | VCA Animal Hospitals
  • 2024 · Spaying in Dogs | VCA Animal Hospitals
  • 2023 · Wellness Examination in Dogs | VCA Animal Hospitals
  • 2023 · Progressive Retinal Atrophy in Dogs | VCA Animal Hospitals
AAHA
  • 2019 · Canine Life Stage - Puppy
  • 2024 · The Journey of a Lifetime: Understanding Your Dog’s Life Stages
Embark Veterinary
  • Accessed 2026 · Miniature/MAS-type Australian Shepherd
Wisdom Panel / Mars Petcare
  • 2020 · Miniature American Shepherd Facts - Wisdom Panel™ Dog Breeds
Orivet Genetic Pet Care
  • Accessed 2026 · Miniature American Shepherd - Full Breed Profile
AVSAB
  • Accessed 2026 · AVSAB Position Statement
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