Aussie Shepherd Border Collie Mix: Complete Breed Guide & Care Tips
Aussie Shepherd Border Collie mix: size, temperament, coat types, health risks, grooming, training needs
What Two Breeds Make Up the Aussie Shepherd Border Collie Mix?
The Aussie Shepherd Border Collie mix — sometimes called the Aussie Collie or Border Aussie — is a cross between two of the most intelligent, driven herding breeds in the world: the Australian Shepherd and the Border Collie. Both parent breeds were developed for demanding livestock work, which means this mix inherits a deep genetic blueprint for stamina, problem-solving, and an almost compulsive need for a job.
This is not a recognized breed by the American Kennel Club (AKC). It's a designer cross, meaning each puppy is essentially a genetic lottery. Some lean heavily toward the Australian Shepherd in build and temperament; others are near carbon copies of the Border Collie. Understanding both parent breeds is essential before bringing one of these dogs home.
Parent Breed Comparison at a Glance
| Trait | Australian Shepherd | Border Collie |
|---|---|---|
| AKC Group | Herding | Herding |
| Weight Range | 40–65 lb (18–29 kg) | 30–55 lb (14–25 kg) |
| Height Range | 18–23 in (46–58 cm) | 18–22 in (46–56 cm) |
| Coat | Medium-length, double coat, moderate feathering | Medium-length rough or smooth, double coat |
| Energy Level | Very high | Extremely high |
| Trainability | Exceptional | Exceptional (often ranked #1 in canine intelligence) |
| Herding Drive | Strong — may nip at heels, circle livestock | Intense — uses "the eye" to control stock |
| Lifespan | 12–15 years | 12–15 years |
| Shedding | Moderate year-round, heavy seasonal blowout | Moderate year-round, heavy seasonal blowout |
| Notable Health Risks | MDR1 gene mutation, hip dysplasia, eye conditions | Collie eye anomaly, hip dysplasia, epilepsy |
The Australian Shepherd, despite its name, was actually developed in the western United States during the 19th century to herd sheep and cattle on ranches. They're known for their striking merle coat patterns, bobbed or docked tails, and versatile athleticism. The Border Collie originated along the Anglo-Scottish border and is widely regarded as the most intelligent dog breed, capable of learning hundreds of commands and performing complex tasks with minimal guidance.
When you combine these two breeds, you get a dog that is brilliant, athletic, and absolutely unsuited to a sedentary or inattentive home.
How Big Will an Aussie Shepherd Border Collie Mix Get?
Because both parent breeds fall into the medium-sized category, the Aussie Shepherd Border Collie mix typically lands in a predictable size range — though individual puppies can fall anywhere within or slightly outside it.
| Measurement | Low End | High End | Average |
|---|---|---|---|
| Weight (females) | 30 lb (14 kg) | 55 lb (25 kg) | 40–45 lb (18–20 kg) |
| Weight (males) | 35 lb (16 kg) | 65 lb (29 kg) | 45–55 lb (20–25 kg) |
| Height at shoulder | 18 in (46 cm) | 23 in (58 cm) | 19–21 in (48–53 cm) |
| Full-grown age | 12–15 months for height; up to 24 months for full muscle fill-out | — | |
A puppy that inherits more Border Collie genetics will tend toward the leaner, lighter end of the spectrum. One that leans Australian Shepherd will likely be stockier with a broader chest. Paw size at 8–10 weeks offers a rough indicator, but growth plates in herding breeds don't fully close until 14–18 months, so expect continued changes well past the first year.
Understanding Generations: F1, F1B, F2, and Multigen Crosses
Designer Dog Generation Guide
Unlike purebred dogs with centuries of standardized breeding, designer mixes are classified by generation. Here's what each label means for the Aussie Shepherd Border Collie mix:
- F1 (First Generation): One purebred Australian Shepherd × one purebred Border Collie. Maximum genetic diversity, but highest trait unpredictability. Puppies in the same litter may look and behave very differently.
- F1B (First Generation Backcross): An F1 Aussie Collie bred back to one of the parent breeds (usually the Border Collie or Australian Shepherd). This shifts trait predictability toward the backcross parent — for example, an F1B backcrossed to a Border Collie will produce puppies with more consistent Border Collie-type coats and temperaments.
- F2 (Second Generation): Two F1 Aussie Collies bred together. This is where genetic recombination creates the widest variability. Puppies may express any combination of grandparent traits, including recessive ones that were masked in the F1 generation.
- Multigen (F3 and beyond): Multiple generations of Aussie Collie × Aussie Collie breedings. While still not a standardized breed, multigen lines show more consistent type — but only if the breeder has been selectively breeding for specific traits over several generations.
Bottom line: Most Aussie Shepherd Border Collie mixes you'll encounter are F1 crosses, especially from breeders who maintain both parent breeds. F1B and multigen crosses are less common with this particular mix compared to doodle-type breeds.
Coat Types, Colors, and the Shedding Reality
Both parent breeds carry double coats — a soft, dense undercoat beneath a longer, weather-resistant outer coat. Your Aussie Shepherd Border Collie mix will almost certainly inherit a double coat, but the length, texture, and feathering pattern depend on which parent's genes dominate.
Coat Possibilities
- Border Collie-type rough coat: Medium length with moderate feathering on the legs, chest, and tail. Slightly coarser outer guard hairs.
- Australian Shepherd-type coat: Medium length with heavier feathering, especially behind the ears, on the haunches ("britches"), and the tail.
- Smooth/short variant: Less common but possible if both parents carry recessive smooth-coat genes. Shorter overall with minimal feathering.
Color Inheritance
This is where the mix gets visually exciting. Australian Shepherds are famous for merle patterns (blue merle, red merle) as well as solid black, red, and tri-color. Border Collies come in black-and-white, red-and-white, sable, brindle, and blue merle. Possible offspring colors include:
- Blue merle (with or without white/tan points)
- Red merle
- Black tri-color
- Red tri-color
- Sable
- Black-and-white (classic Border Collie pattern)
- Bi-black or bi-red
Eye color is equally variable — expect brown, blue, amber, or heterochromia (one blue eye, one brown eye), especially in merle-patterned dogs.
Is This Mix Hypoallergenic or Low-Shedding?
No. Neither parent breed is hypoallergenic. The Aussie Shepherd Border Collie mix is a moderate-to-heavy shedder with two major seasonal blowouts per year (typically spring and fall). During blowout periods, you'll remove tufts of undercoat that look like you could stuff a pillow. If you have dog allergies, this mix will not reduce your symptoms. No dog is truly hypoallergenic, but double-coated herding breeds are among the worst offenders for allergy sufferers.
Temperament: What to Expect (and What Might Surprise You)
Temperament in a mixed breed is a spectrum, not a guarantee. The Aussie Shepherd Border Collie mix pulls from two breeds that rank in the top tier for intelligence, energy, and herding instinct — but they express these traits differently.
Temperament Range: Best Case to Challenging Scenarios
| Trait | Best-Case Expression | Challenging Expression |
|---|---|---|
| Intelligence | Learns commands in 2–5 repetitions; excels at agility, obedience, trick training | Outsmarts owners; opens gates, cabinets, crates; invents own "jobs" (destructive if bored) |
| Energy | Tireless hiking/running partner; thrives in dog sports | Paces, barks, or chews destructively if under-exercised; cannot settle indoors |
| Herding Drive | Appropriate stock work or herding ball play | Nips at children's heels, chases cars/cyclists, obsessively stalks other pets |
| Social Behavior | Friendly with familiar people; polite with strangers after proper socialization | Reserved or suspicious with strangers (Aussie tendency); aloof or reactive if under-socialized |
| Sensitivity | Highly attuned to owner's emotions; responsive to gentle training | Shuts down or becomes fearful with harsh correction; noise-sensitive; develops anxiety in chaotic homes |
| Prey Drive | Can coexist with cats and small pets if raised together | Chases squirrels, rabbits, cats; may not be reliable off-leash in unfenced areas |
Border Collies tend to be more intense and single-minded — they'll stare at a tennis ball for 20 minutes waiting for you to throw it. Australian Shepherds are often slightly more social and adaptable, with a stronger "velcro dog" tendency to shadow their owners room to room. Your mix may lean either direction, or land somewhere in between.
Key temperament note: Both breeds are sensitive dogs that respond poorly to aversive training methods. Use only positive reinforcement and force-free techniques — reward-based training, clicker training, and counter-conditioning. Shock collars, prong collars, and alpha rolls will damage this dog's trust and can trigger fear-based reactivity.
Exercise, Training, and Mental Stimulation Requirements
This is where most owners underestimate the Aussie Shepherd Border Collie mix. A 30-minute walk around the block is not exercise for this dog — it's barely a warm-up.
Physical Exercise Minimums
- Daily aerobic activity: 60–90 minutes minimum (running, hiking, fetch, flirt pole, swimming)
- High-intensity bursts: At least 20–30 minutes of sprinting, agility, or sustained retrieving per day
- Off-leash time: Ideal in a secure, fenced area — but only if recall training is rock-solid (this mix's herding/prey drive makes off-leash reliability challenging)
Mental Stimulation (Non-Negotiable)
Physical exercise alone will not tire out an Aussie Shepherd Border Collie mix. These dogs need cognitive work daily:
- Puzzle feeders: Kong Wobbler, Outward Hound Nina Ottosson puzzles (Level 2–3), snuffle mats
- Training sessions: 10–15 minutes, 2–3 times per day, working on new cues or refining existing ones
- Dog sports: Agility, disc dog, herding trials, nose work, rally obedience, competitive obedience
- Structured games: Hide-and-seek with toys or people, "find it" scent work, herding balls (Jolly Ball, 25" or larger)
Dogs of this mix that lack adequate mental stimulation commonly develop obsessive-compulsive behaviors: shadow chasing, tail chasing, light fixation, or repetitive licking. These are not quirky habits — they're stress responses that require behavioral intervention and, in some cases, veterinary support.
Health Considerations: Hybrid Vigor vs. Reality
There's a persistent myth that mixed-breed dogs are automatically healthier than purebreds due to "hybrid vigor" (heterosis). While crossbreeding can reduce the risk of certain recessive disorders that require two copies of a gene, it does not eliminate all inherited conditions. The Aussie Shepherd Border Collie mix can inherit health issues from both parent breeds — and some conditions are shared by both, which actually increases the probability of expression.
Always consult your veterinarian about breed-appropriate health screening and preventive care for your individual dog.
Shared Health Risks (Both Parent Breeds)
| Condition | Description | Prevalence/Notes |
|---|---|---|
| Hip Dysplasia | Malformation of the hip joint leading to arthritis | Affects ~6–10% of both breeds per Orthopedic Foundation for Animals (OFA) data |
| Collie Eye Anomaly (CEA) | Congenital eye defect ranging from mild to blindness-causing | Present in both breeds; DNA test available — both parents should be tested |
| Epilepsy (Idiopathic) | Seizure disorder with unknown cause (idiopathic means cause unknown) | Border Collies have one of the highest epilepsy rates among breeds; Aussies also affected |
| Progressive Retinal Atrophy (PRA) | Degenerative eye disease causing gradual blindness | DNA tests available for prcd-PRA form common in both breeds |
Australian Shepherd-Specific Risks
- MDR1 Gene Mutation: Affects approximately 50% of Australian Shepherds. Dogs with this mutation have a defective drug transport protein, making them dangerously sensitive to common medications including ivermectin, loperamide (Imodium), certain anesthetics, and some heartworm preventives. A DNA test through VetGen or Washington State University's Veterinary Clinical Pharmacology Lab costs approximately $70–$120 and should be done before any medication is administered.
- Elbow Dysplasia: Present in approximately 4% of Aussies per OFA data.
- Hemangiosarcoma: Aussies have a higher-than-average incidence of this aggressive blood vessel cancer.
Border Collie-Specific Risks
- Neuronal Ceroid Lipofuscinosis (NCL): A fatal neurodegenerative disease; DNA test available.
- Trapped Neutrophil Syndrome (TNS): An immune system disorder specific to Border Collies; DNA test available.
- Osteochondritis Dissecans (OCD): Joint cartilage defect, often in shoulders or elbows of fast-growing puppies.
Recommended Health Screening
Responsible breeders of this mix should provide documentation of the following tests on both parent dogs:
- OFA or PennHIP hip evaluation
- OFA elbow evaluation
- Canine ophthalmologist eye exam (CERF/OFA companion animal eye registry)
- CEA DNA test
- MDR1 DNA test (especially important if the Aussie parent is untested)
- PRA DNA test
Expect to spend $800–$1,500 on health screening if you're breeding, or verify that your breeder has already completed these tests. For owners, the MDR1 test should be a priority within the first few months of bringing your dog home.
Grooming: Managing That Double Coat
The grooming routine for an Aussie Shepherd Border Collie mix is moderate but non-negotiable. Neglecting the coat leads to matting, hot spots, and painful skin infections.
Weekly Grooming Routine
- Brushing: 2–3 times per week using a slicker brush (e.g., Chris Christensen Big G Dog Brush, ~$45–$65) followed by an undercoat rake for the feathering and britches area
- Line brushing technique: Part the coat in sections and brush from skin outward to catch mats close to the undercoat — surface brushing misses the tangles that cause problems
- Ear cleaning: Weekly with a veterinary-approved ear cleanser (e.g., Epi-Otic Advanced, ~$15–$20); floppy-eared dogs from the Aussie side are more prone to ear infections
- Nail trimming: Every 2–3 weeks; active dogs on pavement may wear nails down naturally, but dewclaws always need trimming
- Dental care: Daily tooth brushing with enzymatic dog toothpaste (e.g., Virbac C.E.T., ~$10–$15) or dental chews as supplemental care
Seasonal Blowout Management
Twice per year (spring and fall), this mix will shed its entire undercoat over a 2–4 week period. During blowout:
- Brush daily with an undercoat rake or deshedding tool (e.g., Furminator for medium-long hair, ~$35–$45)
- Consider a professional grooming deshedding treatment ($50–$80 per session) which includes a high-velocity dryer to blow out loose undercoat
- Never shave a double-coated dog. The coat provides insulation against both heat and cold, and shaving can permanently damage the coat's regrowth pattern, leading to a condition called post-clipping alopecia
Cost: Purchase Price and Annual Care Budget
Puppy Purchase Price
| Source | Price Range | Notes |
|---|---|---|
| Responsible breeder (health-tested parents, F1 cross) | $800–$1,800 | Includes health testing documentation, early socialization, health guarantee, take-back clause |
| Backyard breeder / online listing | $300–$700 | No health testing; higher risk of inherited conditions; no breeder support |
| Breed-specific rescue or shelter | $150–$450 | Includes spay/neuter, vaccinations, microchip; adult dogs more common than puppies |
Both parent breeds are common in herding breed rescues. Organizations like Aussie Rescue and Placement Helpline (ARPH) and American Border Collie Rescue occasionally take in mixed-breed dogs. Adopting an adult Aussie Collie can be advantageous — temperament and energy level are already apparent, and many rescue dogs have received basic training.
First-Year Cost Estimate
| Expense | Estimated Cost |
|---|---|
| Puppy purchase | $800–$1,800 |
| Initial veterinary (vaccines, spay/neuter, microchip) | $400–$800 |
| Supplies (crate, leash, harness, bowls, bed, toys) | $250–$500 |
| High-quality food (annual, 25–30 lb bag every 4–5 weeks) | $500–$800 |
| Preventive medications (heartworm, flea/tick) | $200–$400 |
| Training classes (group obedience + puppy socialization) | $200–$500 |
| Grooming (professional deshedding 2–3x/year) | $100–$240 |
| Pet insurance (optional but recommended) | $400–$700/year |
| First-year total | $2,850–$5,740 |
Ongoing annual costs after the first year typically range from $1,500 to $3,000 depending on your location, insurance choice, and activity level (dog sports and competition add significantly to the budget).
Who Is This Mix Best Suited For?
The Aussie Shepherd Border Collie mix is not a beginner dog. While the breed's intelligence makes training rewarding, that same intelligence means the dog will exploit every inconsistency, and their energy demands are incompatible with many lifestyles.
Ideal Owner Profile
- Experience level: Intermediate to advanced dog owner; prior experience with herding breeds or high-drive working dogs is strongly preferred
- Activity level: Active — runs, hikes, or cycles regularly; willing to commit 1–2 hours daily to exercise and training
- Living situation: House with a securely fenced yard (minimum 5-foot fence; some individuals will attempt to climb or dig under shorter fences). Apartments are possible only with extreme dedication to outdoor exercise
- Time at home: Not suited to owners who work 10+ hour days away from home without a dog walker or daycare arrangement. These dogs are prone to separation anxiety and boredom destruction
- Interest in dog sports: Agility, herding, disc, nose work, or competitive obedience are ideal outlets. Owners who view dog sports as a hobby will thrive with this mix
Family Considerations
- Children: Can be good with children if raised together, but the herding instinct (heel-nipping, circling, body-blocking) makes them challenging around toddlers and running children. Best with families where children are 8+ years old and can participate in training
- Other dogs: Generally social with other dogs, especially if well-socialized during the critical 3–14 week window. Same-sex aggression can occur, particularly in intact dogs
- Cats and small pets: Possible with early introduction, but the prey drive in both parent breeds means some individuals will never be reliable around cats, rabbits, or chickens
- Elderly or mobility-limited owners: Not recommended. This is a physically powerful, fast-moving dog that will pull on leash and may knock someone over unintentionally
Frequently Asked Questions
What two breeds make up the Aussie Shepherd Border Collie mix?
The Australian Shepherd and the Border Collie. Both are herding breeds recognized by the AKC, known for exceptional intelligence and high energy. The resulting cross is sometimes called an Aussie Collie or Border Aussie.
How big will this mixed breed get?
Most Aussie Shepherd Border Collie mixes weigh between 35–55 lb (16–25 kg) and stand 18–22 inches (46–56 cm) at the shoulder when fully grown. Males tend to be larger. Full physical maturity, including muscle fill-out, may not be reached until 18–24 months.
What will the temperament be like?
Expect a highly intelligent, energetic, and sensitive dog with strong herding instincts. Individual temperament varies — some dogs lean toward the Border Collie's intense, focused drive, while others inherit the Aussie's slightly more social and adaptable nature. Early socialization (before 16 weeks) and consistent positive reinforcement training are critical regardless of which temperament expression you get.
Is this mix hypoallergenic or low-shedding?
No. Both parent breeds are double-coated moderate-to-heavy shedders, and the mix inherits this trait. Expect year-round shedding with two heavy seasonal blowouts. This mix is not suitable for people with dog allergies.
What health issues might this mix inherit?
Key concerns include hip dysplasia, Collie Eye Anomaly (CEA), progressive retinal atrophy (PRA), idiopathic epilepsy, and the MDR1 drug sensitivity gene mutation (from the Australian Shepherd side). DNA testing for CEA, PRA, and MDR1 is available and strongly recommended. Ask your breeder for health clearances on both parent dogs.
How much does this designer mix cost?
From a responsible breeder with health-tested parents, expect to pay $800–$1,800. Rescue organizations typically charge $150–$450 for adoption. First-year total care costs (including supplies, veterinary care, food, and training) range from approximately $2,850–$5,740.
Can this mix live in an apartment?
It's possible but very challenging. The dog needs 60–90+ minutes of vigorous daily exercise plus mental stimulation. Apartment dwellers must commit to multiple daily outings, dog sports, or daycare. A securely fenced yard is strongly preferred.
Are Aussie Shepherd Border Collie mixes good with kids?
They can be, but herding instincts (heel-nipping, circling, body-blocking) make them better suited to families with older children (8+) who understand how to interact with dogs. Toddlers and running children may trigger the dog's herding drive. Always supervise interactions between any dog and young children.
Marcus Aldridge
All our authors care for dogs every day — read more of their work on the authors page.



