This is why I get upset when I read statements declaring that owners are the cause of separation anxiety in their dogs. (malenademartini.com)
Because of the distress that puppies and dogs undergo upon being left alone, treating separation anxiety in dogs should not be delayed. (puppy-training-solutions.com)
The most significant research however points to genetics and a history of abandonment as being the most widely accepted causes for separation anxiety in dogs. (pethelpful.com)