Which organization, established in 1957, serves as the primary U.S. parent club for the Australian Shepherd?

Answer

The Australian Shepherd Club of America (ASCA)

ASCA is recognized as the primary parent club in the United States, maintaining its own registry and often focusing on the breed's working ability.

Which organization, established in 1957, serves as the primary U.S. parent club for the Australian Shepherd?
animalclassificationDogbreedshepherd