"Problem dogs" refers to dogs that exhibit behavior issues or difficulties. These dogs may display aggression, excessive barking, destructive behavior, or difficulties with obedience training. Full definition
In other cases, heart disease is acquired meaning it develops because of problems a dog develops during its lifetime. (huffingtonpost.co.uk)
These archaic methods are the biggest contributors to problem dog behavior, (not just in their puppy stages, but lasting an entire lifetime). (dogbreedz.com)
Should the lack of legislation regarding shock collars be seen as a green light to pet owners with problem dogs, or is there more to consider? (vancouversun.com)