Video: Owner-directed aggression in an older dog Oct 21, 2011 By Jacqueline C. Neilson, DVM, DACVB VETERINARY MEDICINE Veterinary behaviorist Dr. Jacqueline Neilson provides advice about an older dog with a history of food-related, owner-related, and interdog aggression. Related linksWatch more clinical videosHow I treat food-related aggression in dogsPhoto gallery: Bust these 10 common behavior myths Hot topics on dvm3605 ways to wow pet owners (and pets) 10 steps to take when a practice owner dies dvm360 sits down with Dr. Pol Ack! How do you spell that again? "Best. Veterinary Practice. EVER."