About Aussies

The Australian Shepherd is a well-balanced dog, no matter whether Standard, Miniature or toy. He is attentive and animated, showing strength and stamina combined with unusual agility. Slightly longer than tall, he has a coat of moderate length and coarseness with coloring that offers variety and individuality in each specimen. An identifying characteristic is his natural or docked bobtail. In each sex, masculinity or femininity is well defined. Bone is moderate and clean with coarseness, heaviness or lightness being undesirable.

The Australian Shepherd is intelligent, primarily a working dog of strong herding and guardian instincts. He is an exceptional companion. He is versatile and easily trained, performing his assigned tasks with great style and enthusiasm. He is reserved with strangers.

Miniature Australian Shepherds are easy going, perpetual puppies that love to play. Courageous, loyal and affectionate, they are excellent children's companions that are great with active children. A devoted friend and guardian. Very lively, agile, and attentive, they are eager to please with a sixth sense about what the owner wants. Miniature Australian Shepherds are highly intelligent and easy to train.

STANDARD: Preferred height for both male and female is 18 inches up to 23 inches at the top of the withers.

MINIATURE: Preferred height for both male and female is 14 inches up to 18 inches at the top of withers.

TOY: Preferred height for both male and female is 10 inches up to 14 inches at the top of the withers.

MDR1 Gene

MDR1 Gene mutation has been found in a variety of herding dogs: Australian Shepherds (both miniature and full sized), Shetland Sheepdogs, Old English Sheepdogs and German Shepherds. Testing is the only way to determine if an individual dog has the mutant gene. Washington State University is one facility that provides such testing.[1]

Dogs with the gene mutation, commonly referred to as "mutants", may have adverse reactions when given certain drugs. The documented list includes drug types for: antiparasitic agents, antaparasitic agents, antidiarrheal agents, tranquilizer, pre-anesthetic agents and chemotherapy agents.

Documented problematic drugs include: Ivermectin, Selamectin, Milbemycin, Moxidectin, Loperamide, Acepromazine, Butorphanol, Vincristine, Vinblastine and Doxorubicin

Please refer to Washington State University's website for detailed information on the MDR1 Gene.