If you've got a yard, make sure you've also got a secure fence that your Aussie can't dig under or jump over. Underground electronic fencing won't work for this breed: Your Aussie's desire to go out and herd something will overcome any concern he might have about getting a mild shock. For the same reason, walk him on leash unless you're willing to train him to resist his urges.

Your Aussie needs a half hour to an hour of stimulating activity every day, such as a run, a Frisbee game, or obedience or agility exercises. When you're not playing with your dog, puzzle toys such as Buster Cubes are a great way to keep that active mind occupied.

Puppies don't need as much hard exercise as adults, and in fact, you shouldn't let them run them on hard surfaces such as concrete or let them do a lot of jumping until they're at least a year old. It could stress their still developing skeletal system and cause future joint problems.

The Aussie habit of nipping and chasing is excellent for herding sheep but bad manners when it's applied to humans and other pets. Obedience class can help you curb your Aussie's herding behavior, and they help satisfy his need for mental stimulation and work, too.

Aussies respond well to training methods that use positive reinforcement--rewards such as praise, play, and food--and are usually happy to take commands from their trainer. They just want to know who's in charge so they can do a good job for them.

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