Australian Shepherds (Aussies) are intense, athletic working dogs with significant exercise needs and a specific set of health concerns. Their nutrition should support both their physical demands and their unique vulnerabilities.

Australian Shepherd Health Considerations

Adult Aussies typically weigh 40-65 pounds. Key concerns:

  • MDR1 gene mutation: About 50% of Aussies carry this — makes them sensitive to certain medications. Not food-related, but important to know.
  • Hip dysplasia: Moderate rates in the breed.
  • Eye conditions: Collie Eye Anomaly affects some lines.
  • Epilepsy: Higher than average rates.
  • Food allergies and sensitivities: Common.
  • Cancer: Hemangiosarcoma and lymphoma at moderately elevated rates.
  • Sensitive stomachs: Many Aussies have GI sensitivities.

What to Look For

Quality animal protein: Named meat first, 26-32% protein for moderately active to working dogs.

Adequate fat:

  • 14-18% for moderately active Aussies
  • 18-25% for working dogs (herding, agility, sports)

Anti-inflammatory and immune support:

  • Omega-3 fatty acids
  • Antioxidants from real fruits and vegetables
  • Vitamin E

Joint support: Glucosamine and chondroitin for the active lifestyle.

Brain support: DHA for cognitive function — Aussies are mentally as active as physically.

Activity-Matched Calories

Aussies vary hugely in activity. Match food intake accordingly:

  • Sedentary pet (50 lbs): 900-1100 cal/day
  • Active pet (1-2 hr daily exercise): 1200-1500 cal/day
  • Working/sports dog: 1700-2400+ cal/day

Underfeeding active Aussies is more common than overfeeding — many become picky or develop behavior issues when underfed.

Managing Sensitive Stomachs

Many Aussies have ongoing low-grade GI sensitivities. If your Aussie has chronic soft stool or gas:

  • Try a limited ingredient diet (LID)
  • Switch to a novel protein (lamb, salmon, duck)
  • Add a probiotic supplement
  • Avoid foods with multiple protein sources

For Different Life Stages

Puppies: Medium-breed puppy formula. Most Aussies don't grow large enough for large-breed formulas, though some lines might benefit.

Adults (1-7): Quality adult maintenance with anti-inflammatory features.

Seniors (7+): Many Aussies stay active into senior years. Adjust calories down only if activity actually decreases. Joint support becomes more important.

The Mental Stimulation Connection

This isn't strictly nutrition but matters for Aussies: their food can be a tool for mental stimulation. Use puzzle feeders, snuffle mats, and frozen Kongs to extend mealtimes from 30 seconds to 20+ minutes. This helps with:

  • Boredom-related behavior issues
  • Eating too fast (slow digestion = less GI upset)
  • Mental tiredness — Aussies need it

What to Avoid

  • Underfeeding active Aussies
  • Foods with multiple protein sources (harder to identify sensitivities)
  • Sudden food changes (Aussies are sensitive)
  • Free feeding (no portion control)
  • Foods that consistently cause GI upset in your specific dog

Top Picks Categories

FAQ

Should I feed performance food?

Only if your Aussie does genuinely high-performance work — agility competition, herding, etc. Standard quality adult food is sufficient for most pet Aussies.

Is fresh food worth it for Aussies?

Many Aussies with chronic GI issues do well on fresh food — simpler ingredients often resolve mysterious sensitivities. Cost is the main consideration for a 50-lb dog.

How do I know if my Aussie has food allergies?

Symptoms include chronic itching, recurrent ear infections, chronic GI issues. Strict elimination diet is the diagnostic standard.

The Bottom Line

Aussies need quality protein matched to their activity level, anti-inflammatory features for immune support, and often a simplified ingredient profile to manage their sensitive systems. Browse our full dog food rankings for picks.