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The MDR1 Gene:

What Every Aussie Owner Needs to Know

One in two Australian Shepherds carries a genetic mutation that can make common medications deadly. Here's everything you need to know and what to do about it.

Of Aussies carry MDR1
Test Needed
Conditions Embark Tests For 

50%

250+

1x

© 2026 by Australian Shepherds Furever

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