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occasional aggressive behavior

18 16:45:38

Question

Colt
I have a wonderful young dog named Colt. He is approx. 14 months old and to my best guess is some kind of golden retriever mix. (He was a foundling at 8 weeks.)
We've taken a basic puppy training course. He's always good at the regular commands when treats are handy but still displays the independent spirit of a puppy sometimes. He's extremely playful and, for the most part (95% of the time), gets along VERY well with other dogs. However, sometimes when we're at the dog park he'll become aggressive toward one certain dog. I'll see the fur on his back raise as the dog approaches him, then he'll growl, bark, and snap but rarely (if ever) really go after the other dog. Yesterday, he fixated on a 6 mo. old intact male British Bulldog. Again, he didn't "attack" but definitely was aggressive toward the other puppy.
I know the training techniques to use to encourage positive behaviors but am unsure of how to correct negative ones. Especially when there's not always a sign or clue as to what  will set him off.
As I said at the beginning... with most dogs and with ALL people he's a charmer. Cute, fun, playful, sweet...
I just want to get that 95% up to 100%.
THANK YOU!!!!

Answer
I appreciate that you want to handle this in a positive manner. Dogs Parks while fun are fraught with social confrontation and pressure for some dogs. Your dog may be one of them. Normal socialization isn't like the dog park. It's meet, greet, establish a relationship and move on. Dog Parks have  that "You again" aspect that some dogs don't care for. Everything can be fine and one new dog can change the whole dynamic.

If he acts aggressively, he's saying it's time to leave. So call him to you and go.

You may want to consider other exercise options as well like hiking. Even in Los Angeles you can hike with your dog and only run into a few dogs, much more normal socialization and less stress for the dogs.

There's a book by Cheryl Smith about dog parks that you can get at www.dogwise.com