They are performed in an arena. Ducks, sheep and cattle are used. Titles can be earned on all three types of stock. The Working Trial Championship is earned when the highest title in all three types of stock has been achieved. There is also a Ranch Trial course.
ASCA trials are open to all approved herding breeds.
The address is 6091 E. Hwy. ASCA is a registry for the Australian Shepherd. Approved clubs may apply to hold ASCA events. This program offers two types of trial classes, each with three levels, and also includes a test program. Both HTD and HRD titles require two qualifying scores under two different judges.