A significant portion of service dogs in the US are not trained by programs, but by their own handlers, and those who are socialized and trained properly do just as well as dogs who are trained from birth.
Top 5 Best Service Dog Vests and Harnesses for Working Dogs Finding the best service dog vests or a dog harness for service dogs that are fit for purpose is a must for the safety of the dog, h (Diy Dog Harness)
How to Train Your Service Dog Without a Professional Trainer. A properly trained service dog is a real asset to a person with a disability. Service dogs accompany their handler everywhere, including in public places that are usually off.