#5 – Border Collie
The Border Collie is one of the most predominant working and sport dogs today, excelling in a variety of venues.
Because of their high energy and intelligence, these dogs need a lot of mental stimulation to prevent them from reaching excessive boredom.
This boredom will turn into separation anxiety very quickly.
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Mohy
- Edit
Worst breed in having separation anxiety is doberman, and you did not mention it.