When your border collie tries to mount other dogs, hes trying to prove his dominance in front of them. Common signs usually start appearing when the dog reaches puberty (between six and nine months old) or becomes socially mature at 18 to 36 months. When a dog vocalizes his displeasure, its usually a sign that he is acting out. Border collies like being lavished with affection and attention, which may contribute to their lack of aggression. Dont forget about mental exercise here either, as border collies thrive on mental activities to keep their brains sharp. Are you overfeeding your Border Collie? Behavioral modification plays a crucial role in the treatment of aggression in dogs. Why Is My Dog Aggressive Towards Intact Males? One of the more obvious reasons for seemingly unprovoked aggression in border collies is lack of physical exercises or just flat-out boredom in general. These are jealousy types of aggression that can quickly escalate and turn even the most peaceful dogs into an overbearing nightmare if not dealt with. However, due to the nature of border collies, its unlikely to remain a persistent problem provided you follow the above advice and dont do anything to make the situation worst. Some border collie may have a lower tolerance of rude or overbearing dog behaviors and can be quite quick in telling the rude dog off. However, if youve recently found yourself on the wrong end of a dog thats displaying unwanted aggressive behavior, its time to leap into action and tackle the situation head-on. Young puppies should not be allowed to continuously pester older dogs with demands for attention and play. Remember, border collies are naturally working dogs. Pain-related aggression Sometimes, they also become so emotionally reliant on each other that everything else is SCARY. Take your border collie for walks and short runs to support healthy growth. Aiguo Kai is one of the authors and editors of Pet Creeks, he is focused on teaching and providing useful information about pets. Border Collies are not naturally aggressive dogs. Unfortunately, some owners cannot control, train, or avoid situations of dog aggression. Border Collie Aggression - Collie Behaviourist - Specialist Help Other than getting up to cough in another room away from your dog what else can you do? If you notice this behavior, its time to intervene before your BC becomes aggressive. While there are many dogs who dislike being around other dogs, in the border collie breed, this tendency may be exacerbated due to this breed's history of being selectively bred to herd animals.