OK so my 10 month old Lab is starting to become VERY possessive aggresive with food and treats. This evening was the first very aggressive act towards one of our cats and actually snapped and lightley bit him. He has always had this problem but little growls hear and there when you touch him while eating or the cats get too close while he is chewing on a treat. I have done some research on breaking him of this and they say to have him sit and wait for his food. He can do this no problem but doesnt help towards his aggression. He has been to the trainer numerous times starting with the basic obediance and continuing onto futher training in preparation for hunt test's this summer but does anyone have any tips or information on breaking him of this aggression.