How long should I wait to talk to a professional trainer about my dog's abnormal behavior?

How long should I wait to talk to a professional trainer about my dog's abnormal behavior?

Shelby Marlo, CPDT (Animal Behavioral Specialist, Professional Dog trainer) gives expert video advice on: How do I prevent my dog from acting overly timid?; How do I prevent my dog from acting aggressive? and more...

The second that thought crosses your mind, you should call a professional trainer. However, it's really imperative that you get in touch with a positive trainer. The Association of Pet Dog Trainers is available, APDT.com, and they will help you to find someone who's a positive trainer in your area. A positive trainer is simply somebody who uses motivational methods as opposed to punitive, harsh methods.